This set of shocks are 317mm Pin/Fork. The top pin/bush is 15mm. Bottom fork is 10mm / M10 thread. Yamaha RD 125 DX (Spoke Wheel) (1975-1977). Yamaha RD 125 DX (Cast Wheel) (1978-1981). Yamaha RD 200 DX (Spoke Wheel) (1974-1978).
This product would be ideal for Yamaha RD125 and RD200 motorcycles that require precise and comfortable suspension systems.