RoyalBaby Training Wheels xt With smoot rotation and better

With smoot rotation and better sealing performance

This means that threads are always perfectly aligned

It is compatible with both 10 and 11-speed freehubs

Compatible with:Shimano 11/12-speed MTB derailleurs

Inner Cable Length(mm): 2050

RoyalBaby Training Wheels xt With smoot rotation and betterRoyalBaby training wheels are designed for their 12", 14", 16", 18", and 20" bikes. They feature a sturdy, never bent one piece triangle structure for enhanced stability. The wheels are made from durable plastic, and the support brackets are crafted from high strength steel. These training wheels are compatible with most children's bikes with similar rear axle setups.