Hurdy Gurdy is another nifty device that keeps a rear wheel from slipping forward in the dropout under pedal load. It's designed for the Cross-Check's semi-horizontal front-loading dropouts, and will also work on many other similar dropouts. Hurdy Gurdy is investment cast of stainless steel for durability and good looks, and shares many of Tuggnut's design features. Its two axle holes allow for a wide variety of fore/aft wheel positions, it will work with standard QRs, bolted axles, and nutted axles up to 10mm.

- Allows quick chain removal without tools - MissingLink 410HD|~|1sp|~|BMX Heavy Duty chain|~|9.4mm|~|each|~| - MissingLink 410|~|1sp|~|BMX|~|8.6mm|~|each|~| - MissingLink II|~|8sp|~|all|~|7.1mm|~|6/card|~| - MissingLink-9|~|9sp|~|all|~|6.6mm|~|6/card|~| - MissingLink-10R|~|10sp|~|KMC, Shimano, SRAM|~|5.9mm|~|6/card|~| - MissingLink-10CR|~|10sp|~|Campagnolo only|~|5.9mm|~|6/card|~| - MissingLink-11|~|11sp|~|Campy, KMC, Shimano|~|5.5mm|~|6/card|~|

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.

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

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.

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

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 Locking Headset Spacer is handy during headset servicing for keeping the fork in place when the top cap and stem are removed. It's also great for keeping the fork in the frame when you're shipping your bike in a box, which usually requires removing the stem and bars. This quality piece is for 1 1/8-inch forks and is CNC machined of light, durable 6061 aluminum and has a stainless-steel bolt.

In the race against the clock, Bontrager's Race Lite Clip-On Aerobars S-Bend give you the advantage you need. Adjustable arm rests and extensions allow you to dial in your profile position so you can comfortably stay in a wind-slicing tuck. And the internal cable routing keeps everything out of the wind, nice and neat.

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.

- Quiets chain slap and protects chainstays from nicks and scratches - Standard protector fits most chainstays - Universal kits come with circle protectors to eliminate frame damage due to cable rub

Whether for derailleur clamp clearance, tire clearance, or personal preference, sometimes it can be advantageous to run the wheel further back in the dropouts. Monkey Nuts install into Surly horizontal dropouts to make spacing the wheel back easy. There are 3 different sets depending on the type of dropout and axle configuration the dropout is intended for. Simply select the correct version of Monkey Nut, install it into the frame, and slam the wheel all the way forward. Bang, done.

Clean up your Bontrager Elite stem cockpit with Blendr Elite bases. Blendr works with this simple formula: Stem + Base + Mount. Add accessory. Key features: - Bases for use with Elite stem - Add any XXX accessory mount for an elegant integrated look

The Problem Solvers Cable Doublers are made of light, durable machined and anodized aluminum and they are Teflon coated for a super-smooth cable pull every time. They come in two models. The first allows you to control two brakes with one lever. The second allows you to control one brake with two levers. Why? Well, there are myriad applications: tandems, cyclocross bikes, fixies, tricycles, recumbents, cycles for those with special needs, bike polo bicycles, those 4-person bikes you see on beach boulevards, and so on. You could even link both models of Cable Doublers together for the ultimate in redundancy!

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.

If you're suffering from a slipping seatpost, Surly has the remedy. The Constrictor Seatpost Clamp grabs your post tight and hangs on for dear life. It's machined from anodized aluminum billet, uses an 8mm bolt for ultimate strength, and can accommodate a rear cantilever brake hanger.

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

Wheels Manufacturing Wide Chainstay Protector w/ Alcohol Prep Pad keeps your frame's paint looking good and helps quiet any chain slap on the chainstay. Wide design offers extra coverage for larger chainstays.

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.

Made from forged and machined 6061-T6 Aluminum for high strength and light weight. - Places lever in optimal position left vacant by the lack of front shifters on 1x setups - Matchmaker 1x compatible - Lever pivots on precision bearings for smooth action and durability - 2 mounting positions for ideal placement for each user - Textured non-slip thumb pad

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 Flat Head Screw Note: This hanger has a pin machined in to it that inserts in to the frame (refer to photos).

Dimension Seatpost Clamps - Diameters: 28.6mm, 30.0mm, 31.8mm, 35.0mm - Weight: 34g

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (3) M3x10 Flat Head Screws

- High-Friction PU Surface Improves Grip And Reduces Slipping - Microfiber Backing Provides A Smooth, Comfortable Feel - Embossed Diamond Pattern Looks Powerful And Improves Overall Grip - 2.0mm Thick

-Seatpost clamp spacer kit for Advanced ISP models (2012-2014)

-Seatpost clamp for Defy/Avail models (2009-2016)

Greenfield's Stabilizer Rear-Mount Kickstand attaches to the rear chainstay of the bicycle so it's perfect for bikes that won't accept regular kickstands like mountain bikes. It comes complete with an extra wide rubber foot for superior stability and won't interfere with pedal action or rear derailleur cables. This is the stand of choice for law enforcement bike patrols throughout the U.S. - Fits tube sizes up to 7/8" in diameter - Certified Non-Corrosive Casting - Snap Action Mechanism - 285mm (for bikes 22" and under), 305mm (for bikes 22" and over)

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M6 Chainring Bolt