Tag Archive for bobber

Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper

Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper

Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper
You may also like. Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper. Improtant: Measure from the bottom neck bearing down to the axle. This springer that measurement is 24″, 2″ over stock size. 22 considered as the stock size. Heavy duty, one piece forged rear legs. Improved durability for front rear legs. Precision fit bronze rocker bushings for long life. TIG welded alloy steel construction for strength and durability. 9.5 between rockers where the axle goes between. Includes a 1″ diameter steering stem, 3/4″ diameter axle, and wheel spacers. You can run other wheels (Narrow Glide, etc) but you will need to cut your own wheel spacers in order to do so. The top tree accepts 1/2″-20 fine thread risers and the riser spacing is 4.75″ center to center (same as OEM Harley Springers) keep that in mind when purchasing handlebars. 2004 & newer Harley Sportsters because of turning radius and fork lock interference. Dyna wide glide or narrow glide. Thank you for interesting in our products. Please keep the return item(s) in their retail packaging as if new. We are unable to accept any items that have been used or unable to resell. According to return product(s) condition. Submit A Claim In Just 3 Easy Steps. Step 2: Send the item back or send us pictures for testing and inspection. What Is Not Covered. Physical damage caused by abuse or misuse. Failures due to fire or water. Damage caused from installation.
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Moto Iron brand, Chrome +6 Over Stock Length Harley Springer Front End. Moto Iron has been successful in producing a high quality springer front end that is affordable to all bike builders. With its heavy duty, one piece forged rear legs and beefy 1 diameter front legs, these springers offer a high strength level of quality at a price that cannot be beaten. When viewing next to leading competitors, the differences were easy for us to see why they are the better choice. Not for use on Dyna or FLT Touring Models. Heavy duty, one piece forged rear legs. 1 diameter front legs for improved durability. Precision fit bronze rocker bushings for long life. Zinc plated axle and steering stem to prevent corrosion. Triple chrome plated or black powdercoated finishes. They include a 1″ diameter steering stem, 3/4″ diameter axle, and wheel spacers. The included wheel spacers are designed to fit Harley Wide Glide wheels. From 1984 – 1999. They work with a 11.5 Harley brake rotor. (84-99), and Springer type brake calipers. You can run other wheels Narrow Glide, etc… But you will need to cut your own wheel spacers in order to do so. The top tree accepts 1/2-20 fine thread risers. And the riser spacing is 4.75 center to center (same as OEM Harley Springers) keep that in mind when purchasing handlebars. These will not fit the following bikes. 2004 & newer Harley Sportsters because of turning radius and fork lock interference. Dyna wide glide or narrow glide. Harley FLT Touring Models (Electra Glide, Street Glide, Road Glide, Road King, Ultra, etc). SHOP AT TC BROS. World Class Tech Support & Customer Service. The item “Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna” is in sale since Wednesday, March 10, 2021. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Brakes & Suspension\Complete Suspension Units”. The seller is “tcbros” and is located in Wauseon, Ohio. This item can be shipped worldwide.
  • Manufacturer Part Number: 113-0075
  • Placement on Vehicle: Front
  • Brand: Moto Iron

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna

Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna

Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna

Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna
Moto IronT brand, Black +6 Over Stock Length Harley Springer Front End. Moto IronT has been successful in producing a high quality springer front end that is affordable to all bike builders. With its heavy duty, one piece forged rear legs and beefy 1 diameter front legs, these springers offer a high strength level of quality at a price that cannot be beaten. When viewing next to leading competitors, the differences were easy for us to see why they are the better choice. Not for use on Dyna or FLT Touring Models. Heavy duty, one piece forged rear legs. 1 diameter front legs for improved durability. Precision fit bronze rocker bushings for long life. Zinc plated axle and steering stem to prevent corrosion. Triple chrome plated or black powdercoated finishes. They include a 1″ diameter steering stem, 3/4″ diameter axle, and wheel spacers. The included wheel spacers are designed to fit Harley Wide Glide wheels. From 1984 – 1999. They work with a 11.5 Harley brake rotor. (84-99), and Springer type brake calipers. You can run other wheels Narrow Glide, etc… But you will need to cut your own wheel spacers in order to do so. The top tree accepts 1/2-20 fine thread risers. And the riser spacing is 4.75 center to center (same as OEM Harley Springers) keep that in mind when purchasing handlebars. These will not fit the following bikes. 2004 & newer Harley Sportsters because of turning radius and fork lock interference. Dyna wide glide or narrow glide. Harley FLT Touring Models (Electra Glide, Street Glide, Road Glide, Road King, Ultra, etc). SHOP AT TC BROS. World Class Tech Support & Customer Service. The item “Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna” is in sale since Monday, March 1, 2021. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Brakes & Suspension\Complete Suspension Units”. The seller is “tcbros” and is located in Wauseon, Ohio. This item can be shipped worldwide.
  • Brand: Moto Iron
  • Placement on Vehicle: Front
  • Manufacturer Part Number: 113-0074

Black Springer Front End +6 Length Harley Davidson Shovelhead Bobber Chopper dna

Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper

Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper

Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper
Moto IronT brand, Chrome Stock Length Harley Springer Front End. Moto IronT has been successful in producing a high quality springer front end that is affordable to all bike builders. With its heavy duty, one piece forged rear legs and beefy 1 diameter front legs, these springers offer a high strength level of quality at a price that cannot be beaten. When viewing next to leading competitors, the differences were easy for us to see why they are the better choice. Not for use on Dyna or FLT Touring Models. Heavy duty, one piece forged rear legs. 1 diameter front legs for improved durability. Precision fit bronze rocker bushings for long life. Zinc plated axle and black nitride steering stem to prevent corrosion. Triple chrome plated or black powdercoated finishes. They include a 1″ diameter steering stem, 3/4″ diameter axle, and wheel spacers. The included wheel spacers are designed to fit Harley Wide Glide wheels. From 1984 – 1999. They work with a 11.5 Harley brake rotor. (84-99), and Springer type brake calipers. You can run other wheels Narrow Glide, etc… But you will need to cut your own wheel spacers in order to do so. The top tree accepts 1/2-20 fine thread risers. And the riser spacing is 4.75 center to center (same as OEM Harley Springers) keep that in mind when purchasing handlebars. These will not fit the following bikes. 2004 & newer Harley Sportsters because of turning radius and fork lock interference. Dyna wide glide or narrow glide. Harley FLT Touring Models (Electra Glide, Street Glide, Road Glide, Road King, Ultra, etc). SHOP AT TC BROS. World Class Tech Support & Customer Service. The item “Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper” is in sale since Monday, March 1, 2021. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Brakes & Suspension\Complete Suspension Units”. The seller is “tcbros” and is located in Wauseon, Ohio. This item can be shipped worldwide.
  • Brand: Moto Iron
  • Placement on Vehicle: Front
  • Manufacturer Part Number: 113-0040

Chrome Springer Front End Stock Length Harley Davidson Sportster Bobber Chopper

Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna

Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna

Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna
Moto IronT brand, Black +2 Over Stock Length Harley Springer Front End. Moto IronT has been successful in producing a high quality springer front end that is affordable to all bike builders. With its heavy duty, one piece forged rear legs and beefy 1 diameter front legs, these springers offer a high strength level of quality at a price that cannot be beaten. When viewing next to leading competitors, the differences were easy for us to see why they are the better choice. Not for use on Dyna or FLT Touring Models. Heavy duty, one piece forged rear legs. 1 diameter front legs for improved durability. Precision fit bronze rocker bushings for long life. Zinc plated axle and black nitride steering stem to prevent corrosion. Triple chrome plated or black powdercoated finishes. They include a 1″ diameter steering stem, 3/4″ diameter axle, and wheel spacers. The included wheel spacers are designed to fit Harley Wide Glide wheels. From 1984 – 1999. They work with a 11.5 Harley brake rotor. (84-99), and Springer type brake calipers. You can run other wheels Narrow Glide, etc… But you will need to cut your own wheel spacers in order to do so. The top tree accepts 1/2-20 fine thread risers. And the riser spacing is 4.75 center to center (same as OEM Harley Springers) keep that in mind when purchasing handlebars. These will not fit the following bikes. 2004 & newer Harley Sportsters because of turning radius and fork lock interference. Dyna wide glide or narrow glide. Harley FLT Touring Models (Electra Glide, Street Glide, Road Glide, Road King, Ultra, etc). SHOP AT TC BROS. World Class Tech Support & Customer Service. The item “Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna” is in sale since Wednesday, February 10, 2021. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Brakes & Suspension\Complete Suspension Units”. The seller is “tcbros” and is located in Wauseon, Ohio. This item can be shipped worldwide.
  • Brand: Moto Iron
  • Placement on Vehicle: Front
  • Manufacturer Part Number: 113-0070

Black Springer Front End +2 Length Harley Davidson Sportster Bobber Chopper dna

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Moto Iron brand, Chrome +6 Over Stock Length Harley Springer Front End. Moto Iron has been successful in producing a high quality springer front end that is affordable to all bike builders. With its heavy duty, one piece forged rear legs and beefy 1 diameter front legs, these springers offer a high strength level of quality at a price that cannot be beaten. When viewing next to leading competitors, the differences were easy for us to see why they are the better choice. Not for use on Dyna or FLT Touring Models. Heavy duty, one piece forged rear legs. 1 diameter front legs for improved durability. Precision fit bronze rocker bushings for long life. Zinc plated axle and steering stem to prevent corrosion. Triple chrome plated or black powdercoated finishes. They include a 1″ diameter steering stem, 3/4″ diameter axle, and wheel spacers. The included wheel spacers are designed to fit Harley Wide Glide wheels. From 1984 – 1999. They work with a 11.5 Harley brake rotor. (84-99), and Springer type brake calipers. You can run other wheels Narrow Glide, etc… But you will need to cut your own wheel spacers in order to do so. The top tree accepts 1/2-20 fine thread risers. And the riser spacing is 4.75 center to center (same as OEM Harley Springers) keep that in mind when purchasing handlebars. These will not fit the following bikes. 2004 & newer Harley Sportsters because of turning radius and fork lock interference. Dyna wide glide or narrow glide. Harley FLT Touring Models (Electra Glide, Street Glide, Road Glide, Road King, Ultra, etc). SHOP AT TC BROS. World Class Tech Support & Customer Service. The item “Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna” is in sale since Thursday, February 11, 2021. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Brakes & Suspension\Complete Suspension Units”. The seller is “tcbros” and is located in Wauseon, Ohio. This item can be shipped worldwide.
  • Manufacturer Part Number: 113-0075
  • Placement on Vehicle: Front
  • Brand: Moto Iron

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna

Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna

Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna

Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna
Moto IronT brand, Black +4 Over Stock Length Harley Springer Front End. Moto IronT has been successful in producing a high quality springer front end that is affordable to all bike builders. With its heavy duty, one piece forged rear legs and beefy 1 diameter front legs, these springers offer a high strength level of quality at a price that cannot be beaten. When viewing next to leading competitors, the differences were easy for us to see why they are the better choice. Not for use on Dyna or FLT Touring Models. Heavy duty, one piece forged rear legs. 1 diameter front legs for improved durability. Precision fit bronze rocker bushings for long life. Zinc plated axle and black nitride steering stem to prevent corrosion. Triple chrome plated or black powdercoated finishes. They include a 1″ diameter steering stem, 3/4″ diameter axle, and wheel spacers. The included wheel spacers are designed to fit Harley Wide Glide wheels. From 1984 – 1999. They work with a 11.5 Harley brake rotor. (84-99), and Springer type brake calipers. You can run other wheels Narrow Glide, etc… But you will need to cut your own wheel spacers in order to do so. The top tree accepts 1/2-20 fine thread risers. And the riser spacing is 4.75 center to center (same as OEM Harley Springers) keep that in mind when purchasing handlebars. These will not fit the following bikes. 2004 & newer Harley Sportsters because of turning radius and fork lock interference. Dyna wide glide or narrow glide. Harley FLT Touring Models (Electra Glide, Street Glide, Road Glide, Road King, Ultra, etc). SHOP AT TC BROS. World Class Tech Support & Customer Service. The item “Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna” is in sale since Thursday, January 28, 2021. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Brakes & Suspension\Complete Suspension Units”. The seller is “tcbros” and is located in Wauseon, Ohio. This item can be shipped worldwide.
  • Brand: Moto Iron
  • Placement on Vehicle: Front
  • Manufacturer Part Number: 113-0072

Black Springer Front End +4 Length Harley Davidson Shovelhead Bobber Chopper dna

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna
Moto Iron brand, Chrome +6 Over Stock Length Harley Springer Front End. Moto Iron has been successful in producing a high quality springer front end that is affordable to all bike builders. With its heavy duty, one piece forged rear legs and beefy 1 diameter front legs, these springers offer a high strength level of quality at a price that cannot be beaten. When viewing next to leading competitors, the differences were easy for us to see why they are the better choice. Not for use on Dyna or FLT Touring Models. Heavy duty, one piece forged rear legs. 1 diameter front legs for improved durability. Precision fit bronze rocker bushings for long life. Zinc plated axle and steering stem to prevent corrosion. Triple chrome plated or black powdercoated finishes. They include a 1″ diameter steering stem, 3/4″ diameter axle, and wheel spacers. The included wheel spacers are designed to fit Harley Wide Glide wheels. From 1984 – 1999. They work with a 11.5 Harley brake rotor. (84-99), and Springer type brake calipers. You can run other wheels Narrow Glide, etc… But you will need to cut your own wheel spacers in order to do so. The top tree accepts 1/2-20 fine thread risers. And the riser spacing is 4.75 center to center (same as OEM Harley Springers) keep that in mind when purchasing handlebars. These will not fit the following bikes. 2004 & newer Harley Sportsters because of turning radius and fork lock interference. Dyna wide glide or narrow glide. Harley FLT Touring Models (Electra Glide, Street Glide, Road Glide, Road King, Ultra, etc). SHOP AT TC BROS. World Class Tech Support & Customer Service. The item “Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna” is in sale since Thursday, January 28, 2021. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Brakes & Suspension\Complete Suspension Units”. The seller is “tcbros” and is located in Wauseon, Ohio. This item can be shipped worldwide.
  • Manufacturer Part Number: 113-0075
  • Placement on Vehicle: Front
  • Brand: Moto Iron

Chrome Springer Front End +6 Length Harley Davidson Sportster Bobber Chopper dna