RK front sprocket 428H,13T,17mm

Front sprocket with 13 teeth, 428 chain pitch and a 17 mm centre bore.

Quality manufacture.

Sprockets from Japanese brand RK are manufactured from special premium SCM-415 alloy steel.

• RK sprockets feature highly durable teeth and excellent mechanical properties
• the use of high-quality, very strong medium-carbon steel improves drivetrain performance and durability.
• precision machining with minimal tolerances eliminates unnecessary friction caused by uneven surfaces, improving performance and power transmission efficiency
• special carburising heat treatment of the steel (Carburizing Heat Treatment) provides high toughness, wear resistance and maximum service life
• the surface of RK sprockets is hardened by subsequent shot peening (Shot Peened Hardened Surface)
• some RK front sprocket models feature lightening holes to reduce weight
• front sprockets from Japanese brand RK achieve a long service life thanks to the use of special steel (tempered chromium-molybdenum alloy steel) and heat treatment involving hardening and quenching
• with correct maintenance and chain adjustment, RK sprockets used with RK CHAIN chains offer a very long service life and high reliability

Products from RK, a pioneer in chain and sprocket manufacture, provide a drivetrain that transfers engine power flawlessly to the rear wheel and delivers extra kilometres...