Renthal Twin Ring Sprockets Suzuki | 1230-520 Size:50 [Silver] Durable hardened tool steel construction

Durable hardened tool steel construction

we have solved a simple but nagging problem

5 to 2x longer wear resistance than regular O-ring chains

- YAMAHA YZ 450 F 2018-UP

Renthal Twin Ring Sprockets Suzuki | 1230-520 Size:50 [Silver] Durable hardened tool steel constructionUnique flat face design keeps weight to a minimum and means the TwinRing is as narrow as a regular chainwheel. Flat socket head screws and additional strength to the chainwheel during side impacts. Self cleaning mud grooves between every tooth on both sides help prevent dirt build up. Inner ring is high strength, ultralight 7075 T6 aluminum Outer ring is electroless nickel coated steel, expanded at 200*C and then fitted to inner, creating a permanent