Problem Solvers Chainring Bolts with Nuts Stainless Steel

This adapter allows the use of 6-bolt rotors on Shimano's Center-Lock hubs.

Mounting extension for fixing of fenders on rigid forks with suspension fork geometry. Inclusive 2 M6-screws and lock-washers.

This handy little bit replaces the nut on your quick release skewer so you can mount a headlight. Not recommended for rear-wheel use.

Sheldon Fender Nuts for better mounting of fenders. Replaces standard brake nuts for road caliper brakes on steel and aluminum frames. Available in different sizes.

The Problem Solver! Universal Emergency derailleur hanger, which has saved many bike-trips.

Direct Mount Adapters to allow for the use of Shimano high direct-mount front derailleurs. Especially versions for Fatbikes with 100 mm wide bottom brackets and Surly Moonlander fatbikes available.

This cog carrier for singlespeed 6 bolt cogs (1 steel cog included) is compatible with Shimano-splined freehubs. It features a wide profile to avoid damaging of the freehub.

This bottom bracket combines normally incompatible cranks and frames, accepting 24mm cranks (Shimano Hollowtech II, Raceface X-Type) and fitting inside 46mm diameter BB shells (PressFit 30)

Replacement crank bolts made of aluminium. M8 version with caps and M15 version with extractors available.