Problem Solvers

Problem Solvers Seatpost Shim for 30.9 seatposts in 31.6 frames.

Problem Solvers Presta Valve Extender: Removable Core 50mm Black

Problem Solvers replacement chainring bolt sets. All bolts feature common M8 x 0.75 threading.

Sold as a set of five
For Single Ring use

Booster thru-axle hub spacer kits are designed to give your non-Boost front and rear thru-axle hubs the boost they need to fit any Boost-compatible frame or fork.