EK/PBR 428 SR Chain Kit - 16/49-126 by EK CHAIN: a complete kit designed to renew the transmission of your roadster. It includes a 16-tooth engine sprocket, a 49-tooth steel rear sprocket (standard), and a 428 chain with 126 links, ready to install for a safe and responsive ride.
- Series: SR — heat-treated plates to maintain flexibility even after prolonged use.
- Chain pitch: 428, suitable for light applications and trail/roadster.
- Number of links: 126 (delivered ready to be cut down if necessary according to installation).
- Sprocket: Standard steel, robustness and wear resistance for daily use.
- Colour: Steel/Steel.
- Relative lifespan: 200 (for 100 links).
- Weight: 0.9 kg / 100 links (manufacturer's indication).
The heat treatment of the SR series plates enhances durability and strength without compromising the chain's flexibility — an asset for maintaining smooth transmission and crisp gear shifts. Kit suitable for models such as the YAMAHA DT 125 LC (1986-1988) and many similar roadsters. To optimise longevity: check tension, lubricate regularly, and monitor wear on the rear sprocket and engine sprocket during maintenance.
