Speedwerx SPXTPSA-2 Clutch Spring Adapter for Speedwerx Boss Primary Springs protection-chest-back Oversized 45mm wide silicone coated

Oversized 45mm wide silicone coated strap eliminates slippage

Shield lock provides piece of mind

Medium density compound grip

rear wheels measure 9x8 or 10x8

Speedwerx SPXTPSA-2 Clutch Spring Adapter for Speedwerx Boss Primary Springs protection-chest-back Oversized 45mm wide silicone coatedThis spring cup adaptor is designed to allow you to run your older style primary springs on the new Team clutches. It is necessary to keep proper spring alignment when using the old style springs in the new Team clutch. Note these new clutches have different load heights compared to the old clutches. Using this adaptor with your old springs will change the rate of your spring slightly..