Handlebar diameters keep gettin' bigger. If you want to use your old bars in a new, larger diameter stem, we've got a shim for you. Varieties available to adapt 25.4, 26.0, 31.8, and 35.0mm stems for...

Problem Solvers Direct Mount Adapters clamp around the seat tube to allow for the use of "high direct-mount" front derailleurs on frames with 100mm wide bottom brackets. We provide different offsets...

Rethinking the validity of your singlespeed bike purchase? Wishing you'd gone the geared route after all? Problem Solvers is here to help! Their Chain Tensioner with Derailleur Hanger is about...

Problem Solvers are literally doing what they are branded as! Solving Problems!Replacement chainring bolt sets. . Threading: M8 x 0.75 . Length: 8mm . Material: Alloy . For Double chainrings . 5...

Thru-Axle hub adapters allow the use of 100 mm front thru-axle hubs in 100 mm QR forks.. Allows the use of modern thru-axle wheels in forks designed for quick-release compatible hubs . 100mm front...

Switching frames doesn't mean you have to switch posts! Use your old posts without worry with our wide variety of seatpost shims.. 100mm long . 3mm lip . Alloy . Problem Solvers Seatpost Shims are...

Problem Solvers Valve Extenders for Removable Cores.. Only for use with valves with removable cores . Allows use of short valves with deep section rims . Sold individually

The Problem Solvers GXP Adapter Kit is made specifically for use with:Problem Solvers BB30/PressFit 30 Adapter Kit and/or Problem Solvers Eccentric 46 Bottom Bracket. Spacer kit for using GXP cranks...

Problem Solvers are literally doing what they are branded as! Solving Problems!The ReMatch adapters allow riders to mount different generations of Shimano I-Spec components together on one clamp. If...

Problem Solvers are literally doing what they are branded as! Solving Problems!Stamped cogs are inexpensive but tend to take a bite out of your freehub. Wide profile cogs are great but tend to take a...

Switching frames doesn't mean you have to switch posts! Use your old posts without worry with our wide variety of seatpost shims.. 100mm long . 3mm lip . Alloy . Problem Solvers Seatpost Shims are...

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.. Converts non-boost hubs to boost ...

Switching frames doesn't mean you have to switch posts! Use your old posts without worry with our wide variety of seatpost shims.. 100mm long . 3mm lip . Alloy . Problem Solvers Seatpost Shims are...

Problem Solvers Direct Mount Adapters clamp around the seat tube to allow for the use of "high direct-mount" front derailleurs on frames with Moonlander Specific bottom brackets. We provide different...

Problem Solvers Direct Mount Adapters clamp around the seat tube to allow for the use of "high direct-mount" front derailleurs on frames with 100mm wide bottom brackets. Problem Solvers provide...

Switching frames doesn't mean you have to switch posts! Use your old posts without worry with our wide variety of seatpost shims.. 100mm long . 3mm lip . Alloy . Problem Solvers Seatpost Shims are...

Switching frames doesn't mean you have to switch posts! Use your old posts without worry with our wide variety of seatpost shims.. 100mm long . 3mm lip . Alloy . Problem Solvers Seatpost Shims are...

Switching frames doesn't mean you have to switch posts! Use your old posts without worry with our wide variety of seatpost shims.. 100mm long . 3mm lip . Alloy . Problem Solvers Seatpost Shims are...

Problem Solvers are literally doing what they are branded as! Solving Problems!The ReMatch adapters allow riders to mount different generations of Shimano I-Spec components together on one clamp. If...

These boys cover up the downtube shifter bosses on your singlespeed/fixie conversions, protecting the bosses from grit and grime, and looking good while doing it.Bolts Not Included . Shifter Cover ...

Problem Solvers are literally doing what they are branded as! Solving Problems!Replacement chainring bolt sets. . Threading: M8 x 0.75 . Length: 6mm . Material: Alloy . For single chainrings . 5...

Problem Solvers are literally doing what they are branded as! Solving Problems!Replacement chainring bolt sets. ChainSpy 2 was designed specifically for use with the Direct Mount adapters, so you can...

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.. Converts non-boost hubs to boost ...