Description:

[Specifications] Size: 75x31x10mm / 2.95"x1.22"x0.39"(L*W*H), Hole Size 1: 15mm / 0.59", Hole Size 2: 25mm / 0.98", Axle Adjuster Length 1: 37mm / 1.46", Axle Adjuster Length 2: 38mm / 1.50", Thread Size: M6 x 1. [Chain Adjuster] Make your wheel chain tighter and not easy to fall off and if the chain is loose, you can adjust the wheel chain with the adjuster.. [Package Content] 4 x Chain Axle Adjuster, 8 x Nut. [Material] Made of good quality material to ensure its durability and lifespan..