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.

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 Cassette Spacers are made of light and durable anodized aluminum and come in different thicknesses for correctly spacing various brand and model cassette cogs. Measure and match your spacers to choose the right width.

These simple clamps allow riders to mount I-Spec II compatible shifters or dropper levers onto their bars without the otherwise-requisite Shimano I-Spec II compatible brake levers. Sold individually and can be used for either right- or left-hand side. - Hinged clamps for easy installation without removing other components - AL-6061, anodized black - 23 grams - For use only with I-Spec II compatible shifters or dropper lever

ReMatch adapters are designed to integrate different generations of Shimano Brakes to Shimano Shifters. Rematch Adapter 1.1 connects Shimano I-Spec A/B shifter to I-Spec II brake. - Made from CNC Machined T6061 Aluminum - Anodized Black - No additional hardware needed ReMatch 1.1 is NOT compatible with Deore M610 or SLX M670 shifters

The Problem Solvers Handlebar Clamp Shim adds thickness to a smaller diameter handlebar so it can be used with a larger diameter clamping stem.

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

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.

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

The Problem Solvers Clamp-On Water Bottle Cage Mount makes it easy to carry a bottle on your handlebars so you can have even more refreshment on rides. It also comes in useful on frames without room for bottles, like smaller frames and some kid’s bikes.

The Problem Solvers Cross Clamp mounts to the seat tube on your frame so that you can make your top-routed shift cables work with a bottom-pull front road derailleurs. This is a common setup on cyclocross bicycles. Choose the diameter that matches your frame.

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

The Problem Solvers Single Chainring Bolts include 5 chainring bolts and nuts that are 6mm wide. This is the right size for most single-chainring setups. These chainring bolts are made of either aluminum, stainless steel, or chromoly.

Problem Solvers' Cassette Cog Carrier (CCC) bolts on to a splineless single-speed cog to give you a wide, Shimano-splined cog to run on your freehub body. The wide profile won't damage your freehub body. Tech Details: Aluminum carrier with steel cogs

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.

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.

The Problem Solvers Cable Pulley is the correct replacement for their Cross Clamp pulley (Cross Clamp sold separately) and it will also work on most frames that have a mount for a pulley. You get the aluminum pulley and the brass bushing.

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.

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

Problem Solvers has a couple different options for adding cable housing or brake hose guides to your bike. Choose from the adhesive stick-on option or the guide that mounts to existing housing stops.

For riders who appreciate an elegant and streamlined setup, the Stem to Top Cap Tapered Spacer features a slight taper toward the top, allowing it to transition seamlessly to the Top Cap. - Anodized aluminum construction, no logos - Sold in packs of ten - 4mm outer diameter at base tapers to 32.5mm outer diameter at the top - S.H.I.S. Stem Clamp Diameter: 28.6

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

Notched binder bolts for frames with integrated seat collars. Details: CroMoly steel bolts Three lengths available: 16, 19 and 21mm 8mm diameter

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.

Problem Solvers Pog top caps are machined aluminum with a 5 or 10mm spacer integrated as one piece. This makes for a clean, finished look when mounting a stem below the top of the steerer tube. - Bolt not included - 10mm available with or without logo - 5mm available without logo only

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

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 Micro-Adjustable Headset Spacer goes on the fork (it requires 10mm of clearance on the steerer) and locks in place to retain your headset bearing adjustment. This makes it possible to run your fork and headset without a star nut or compression plug. This 2-part threaded component is made of CNC-machined aluminum with a small bolt for tightening, so it's light and durable.

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.