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

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 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 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 Clamp-On Cable Hanger is made of light, durable anodized aluminum and fits on bicycles with 1- and 1 1/8-inch forks. A cable noodle and guide are included.

• Allows the use of downtube shifters on bikes without downtube shifter braze-ons • Compatible with 9/10-speed Shimano shifters • 31.8mm clamp with shims for 28.6mm tubes • Shifters not included

The Problem Solvers GXP Spindle Adapter Kit lets you adapt a GXP crankset to a BB30 or Press-Fit 30 bottom bracket. It's used with the Problem Solvers BB30/Press-Fit 30 Adapter Kit, which is sold separately.

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 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.

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 Problem Solvers Seatpost Shim is what you need when your seatpost is a little too small-diameter to fit tightly into your frame. It's made of light, durable aluminum and has a lip on the top so it won't slide down inside the frame during installation.