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The Problem Solvers Steerer Tube Shims are for installing 1-1/8-inch diameter threadless stems on 1-inch diameter threadless forks. The shim is made of light, durable anodized aluminum and is chamfered on the ends for easy stem installation.

The Problem Solvers Locking Headset Spacer is handy during headset servicing for keeping the fork in place when the top cap and stem are removed. It's also great for keeping the fork in the frame when you're shipping your bike in a box, which usually requires removing the stem and bars. This quality piece is for 1 1/8-inch forks and is CNC machined of light, durable 6061 aluminum and has a stainless-steel bolt.

Attach these lightweight brackets to your water bottle bosses to serve as anchors for your cargo straps to carry just about anything, from sleeping pads to Nalgene bottles to barbeque sauce. These are a great addition to any bikepacking or touring cyclist’s on-bike storage toolkit. And their low profile means they don’t mess up the looks of your bike build while not in use.

The Problem Solvers Cantilever Studs screw into the bosses built into bicycle frames to provide the proper mounting studs for brakes. Each brake requires two studs.

These handy Problem Solvers Eccentric Bottom Bracket Shims allow you to fit your existing Eccentric Bottom Bracket into BB shells with inner diameters of 55mm or 57mm. - Anodized black - 6061 Aluminum

Switching frames doesn’t mean you have to switch posts! Use your old posts without worry with Problem Solver's wide variety of seatpost shims. -100mm long -3mm lip -Alloy Problem Solvers Seatpost Shims are not intended for use with carbon seatposts

I-SpecBar Clamps are a one-piece hinged clamp adapter that allows users to mount I-Spec compatible shifters or dropper levers onto the handlebar, without requiring an I-Spec brake lever. - Sold individually, the clamp can be mounted to the right or left side - Hinged clamp for easy installation without removing other components - Black Anodized, CNC AL-6061 Aluminum - Compatible only with Shimano I-Spec II compatible shifters or dropper post remotes - 23g

The Super Booster rear hub spacer kit is designed to give your 148mm rear thru-axle hubs the extra boost they need to fit any 157mm frame.

The Problem Solvers Standard Top Cap is a light, durable aluminum top cap for threadless headsets. These caps fit all forks.

The Problem Solvers Chain Tensioner is a handy device that lets you cleanly install a derailleur on frames without a derailleur hanger. It's made of light and durable CNC-machined 6061 aluminum with steel hardware. It's designed for use with rear-facing horizontal dropouts and 10mm rear axles.

Downtube cable adjusters from Problem Solvers. - Braze-on downtube adjusters for road shifters - Contoured to fit traditional sized steel downtubes - Black Finish

The Problem Solvers Compression Plug for 1 1/8-inch Forks is for threadless aluminum and carbon forks. It fits tightly inside the fork and provides easy headset adjustment and a nice, clean look.

The Problem Solvers Shifter Boss Covers are perfect for covering up the down-tube shifter bosses when you're converting a frame with them to a singlespeed/fixie setup. They're made of light, durable aluminum and sport a nice polished finish.

These handy Problem Solvers Eccentric Bottom Bracket Shims allow you to fit your existing Eccentric Bottom Bracket into BB shells with inner diameters of 55mm or 57mm. - Anodized black - 6061 Aluminum