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

Problem Solvers' 11-speed Freehub Spacer converts your 11-speed freehub body to accept a 10-speed casssette. Use this spacer if you are running a 10-speed drivetrain on a new set of wheels with a 11-speed freehub body. The spacer is 1.85mmm thick.

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.

The Problem Solvers Backstop bolts onto the frame to provide two stops for your cable housing. It's made of light, durable CNC-machined aluminum with a stainless-steel bolt, and the stops are slotted for easy cable installation/removal.

The Problem Solvers Braze-On Front Derailleur Adapter simply clamps onto your frame's seat tube and provides a secure place to bolt on your braze-on front derailleur (sold separately). This fine adapter is made of light, durable aluminum and includes a stainless-steel bolt.

The Problem Solvers Center Lock Rotor Adapters are CNC-machined aluminum adapters that allow the use of 6-bolt rotors on Shimano's Center Lock hubs.

The Problem Solvers Double Chainring Bolts include 5 chainring bolts and nuts that are 8mm wide. This is the right size for most double-chainring setups. These chainring bolts are made of either aluminum, stainless steel, or chromoly.

The Problem Solvers Handlebar Clamp Shim allows you to fit almost any handlebars in almost any stem. It's machined of light and durable aluminum and grooved on the inside to hold tightly.

The Problem Solvers Head Tube Reducers resize your head tube to accommodate different size forks. These fine aluminum reducers are designed for traditional, external-cup headsets. Please contact us for any questions about compatibility with your bicycle.

MisMatch 1.2 adaptors allow users to mount a SRAM MatchMaker shifter to a Shimano I-Spec-II brake lever clamp. - Installation hardware included - Anodized black - Sold each

MisMatch adaptors allow users to mount Shimano & SRAM brakes and shifters on one clamp. Available in multiple configurations. -Annodized Black -Attaches SRAM shifters to Shimano I-Spec II brake lever clamps MisMatch 1.2 adaptor fits Shimano brakes: BL-M9020, BL-M9000, BL-M8000, BL-M7000

Problem Solvers' MisMatch Adapters allow you to combine your Shimano and SRAM shifters and brakes onto a single clamp for a more ergonomic, less-cluttered handlebar. These CNC-machined aluminum adapters work with Shimano I-Spec and SRAM MatchMaker components to fasten your preferred combination on to a single, existing bar clamp.

The Problem Solvers Travel Agent amplifies your braking power so that you can mix road, mountain and cyclocross brakes and brake levers. Instead of buying new levers or brakes, just install a Travel Agent and you're good to go. This trick gizmo is made of quality 6061 aluminum and is available with and without a built-in adjustment barrel. It works with cantilever brakes, road dropped handlebars, and Shimano STI and Campagnolo Ergopower levers.