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Available in the most common sizes and thicknesses-in small or bulk quantities, Problem Solvers headset spacers help riders get their stack height just right. - Made from Aluminum, anodized or polished finish, without logos - 1-1/8" Diameter - S.H.I.S. Stem Clamp Diameter: 28.6mm

ReMatch adapters are designed to integrate different generations of Shimano Brakes to Shimano Shifters. Rematch Adapter 1.2 connects Shimano I-Spec A/B brake to I-Spec II Shifter. - Made from CNC Machined T6061 Aluminum - Anodized Black - Includes all necessary hardware for both I-Spec A and I-Spec B brake - No additional hardware needed

The Problem Solvers Direct Mount Adapter gives you a place to install direct-mount Shimano and SRAM derailleurs. It was initially developed for standard mountain bike frames with 68/73mm wide bottom bracket shells, and is equally suited to fat/snow bikes, where their 100mm wide bottom brackets make front derailleur applications a little difficult. The adapter is made of light and durable 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

Available in the most common sizes and thicknesses-in small or bulk quantities, Problem Solvers headset spacers help riders get their stack height just right. - Made from Aluminum, anodized or polished finish, without logos - S.H.I.S. Stem Clamp Diameter: 25.4mm

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.

Replace old brake barrel adjusters with a fresh pair of Problem Solvers' 10mm Brake Barrel Adjuster. Designed for use with standard brake cables.

The Problem Solvers Double Chainring Bolts include 5 chainring bolts and nuts that are 10mm wide. This is the right size for most double-chainring setups with a bashguard. These chainring bolts are made of aluminum and feature dual-hex heads for easy, secure installation.

The Problem Solvers Brake Mounting Nut is for front caliper brakes that take recessed fixing nuts. This chrome-plated steel Allen nut comes in 2 long lengths so that it will grip enough threads to tightly fasten the brake on even the thickest of fork crowns.

The Problem Solvers BB30/Press-Fit 30 Adapter Kit consists of DuPont Delrin (a tough, light type of plastic) pieces that allow you to use your external bottom bracket-style crankarms (24mm spindles, such as a Shimano Hollowtech II crank) with newer BB30 and Press-Fit 30 bottom brackets. Please contact us if you have any questions about compatibility.