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.

Turn your geared bike into a singlespeed machine with Surly's Singleator. The Singleator mounts to your derailleur hanger and provides a smooth, quiet and adjustable means of tensioning the excess chain slack on any bike. It's made from strong forged steel and features a triple-sealed spring, large-cog capacity, chain guides, fully-adjustable chain line, floating pulley, and a stainless-steel pivot bushing. And, it works with both BMX and standard chains.

- Clamps to a threadless steerer, offers up to 3-1/4" stem height increase - Forged 6061 aluminum - Threaded alloy top cap

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.

Shimano's In-Line Brake Cable Adjuster with quick release allows you to make changes to your road caliper brake's cable tension or open a brake caliper's arms to remove a wheel.

- Clamps to a threadless steerer, offers up to 3-1/4" stem height increase - Forged 6061 aluminum - Threaded alloy top cap

- Compatible with Shimano, SRAM, Campagnolo and KMC 11 speed chains - DLC Coated - Non-reusable - Opening Tool Required - Card of 2 pairs

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 Quick-Release Nut Light Mount is an ingenious solution when your handlebars are too crowded to accept a light. This fine CNC-machined aluminum post simply screws on in place of your left, front quick-release nut to provide a great place to mount your light. Lower light mounting improves your depth perception and shows more details of the road condition ahead, too.

A well-exercised dog is a happy dog, so give Fido a good workout while you ride! Sunlite's Dog Leash consists of a metal bar that mounts under the rear axle bolt or quick-release and straps to your chainstay. This keeps the center of gravity low so you stay stable if your dog pulls to one side. The bar is long enough to keep your pup away from the bike, too.

Power links provide tool free chain assembly. - Chain Compatibility: SRAM - Reusable: No

When you need to move your handlebars up, install Sunlite's Chromoly Quill Stem Extender. One end goes inside the steerer tube and your quill stem inserts into the top. It provides 8 1/4 inches of rise and is compatible only with quill stems and steerer tubes.

Problem Solvers Deckster pedal adapters. Converts SPD-compatible pedals to platform pedals for casual cruising. • Works with 2-bolt, SPD-style cleats, such as Time, Shimano, Crank Brothers, Wellgo and others. Not compatible with Speedplay • Cleats not included • 85 x 95 x 10mm platform • Hardware included, cleats not included

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Flat Head Screws

Grade 300 retainer bearings for headset and bottom bracket service. - 10 Retainers/Bag

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - (2) M4x8 Flat head screws included

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M4x10 Socket Head Screw

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Ghost #EZ2011 - (2) M4x8 Flat head screws included

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - (2) M4x8 Flat head screws included Note: This dropout is very similar to Wheels Mfg DROPOUT-261.

Replacement derailleur hanger for Specialized Diverge, CruX and Roubaix Carbon with quick release rear hub. This is not a complete QR conversion kit. It is only a replacement hanger. For a replacement hanger when using the 135x12 SCS thru-axle wheel, use Wheels Mfg DROPOUT-284. All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - (1) M5x10 Socket head screw included

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Socket Head Cap Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws Notes: - PLEASE NOTE! M4 HOLES ON HANGER ARE NOT THREADED! - FRAMES USING THIS HANGER HAVE THREADS IN DROPOUT!

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt (Long - Bolt Only)

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws