Key features: - Original equipment replacement saddle ears for use with Bontrager saddles with carbon rails - Compatible with Bontrager and Trek rotary head seatpost and seat mast systems - Consult with manufacturer on compatibility with other saddle brands

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 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.

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.

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 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.

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.

Keep your bike safely upright and at the ready with the Rear Mount Adjustable Kickstand. Adjustable length makes it suitable for bikes with 24-29" wheels and installation is a breeze with all necessary hardware included. - Adjustable length fits bikes with 24-29" wheels - Attaches to the rear of the bike near intersection of seatstay and chainstay - Includes mounting hardware

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.

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.

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

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.

One of the coolest things about Surly is if they can't find an existing part that fits their standards, they just make one themselves. This cable hanger is made to fit around the oversize bolt on their Constrictor seatpost clamp so you can be sure it will fit around almost any other seatpost clamp bolt too. It comes complete with an adjusting barrel.

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.

The SRL lever gives riders with 1x drivetrains the option to control their Command Post with lever option that mounts beneath the bar in place of a front shifter. - Command Post lever for the modern 1x drivetrain systems. - Adjustable lever position allows for the perfect set up. - Sealed cartridge bearing pivot for smooth action. - Ideal pull ratio for easy lever activation. - Requires additional mounting hardware (SRAM MatchMaker or equivalent is recommended).

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.

The SRL LE lever gives riders with one-by drivetrains an affordable option to control their Command Post with a lightweight lever option that mounts beneath the bar in place of a front shifter. - Command Post lever for the modern one-by drivetrain systems. - Injection molded lever is light, durable, and features a textured design for added grip. - High quality bushing design provides smooth lever action. - Ideal pull ratio for easy lever activation. - Requires additional mounting hardware (SRAM MatchMaker or equivalent is recommended).

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

Rated fully KICKASS by a very authoritative entity who will remain unnamed, Surly's cast and polished stainless steel clamps won't rust or chip paint because they can't (even the black ones!). They're shiny! They look good! And most importantly, they deliver the clampability seatposts crave.

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.

- Binder bolt - M6 x 45mm chromoly bolt - 13mm CNC alloy nut - Length: 45mm

Replacement derailleur hangers for Salsa frames. Mounting screws included. Hanger 257 Fits: Salsa Ala Carte Ti 2011, Salsa El Mariachi Ti 2010-2012, Salsa Fargo 2011-2013, Salsa Fargo Ti 2011-2013, Salsa Spearfish 2011-2013 with QR Rear Triangles, Salsa Vaya 2011+, Salsa Vaya Ti 2011-2012, Salsa La Cruz Ti 2011, Salsa Beargrease 2013, Salsa Warbird 2013-2015, Salsa Warbird Ti 2013-2015, Salsa Colossal 2013+, Salsa Colossal Ti 2013-2014, Salsa Mamasita 2012-2013, Foundry Chilkoot 2016 Hanger for 2014+ Split Pivot Frames Fits: all Split Pivot Horsethief, Pony Rustler, Spearfish Bucksaw and Deadwood Suspension Hanger for 2015 Beargrease 2 and Cogburn CB4 Fits: Cogburn CB4 and Salsa Beargrease 2 2015

Rockshox Maxle Stealth is a light, low profile alternative to Maxle Lite. - 34g lighter than Maxle Lite - Easy installation with a 6mm Allen wrench

• Aluminum • CNC-finished

- WCS Carbon Fork Compression Plug

Ditch the zip ties and clean up the look of your cables with Origin-8's Clamp-on Frame Cable Stop. Available in a variety of diameters for different sized round frame tubes, the cable stop bolts on and provides a channel to run rear brake or derailleur housing to hold it securely in place. It's made of lightweight CNC'd aluminum.

- Durable custom-molded plastic guard - Co-molded rubber exterior to help quiet chain-slap noise - Easy installation and removal

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - (1) M3x12 Socket Head Screw Included - For MAXLE 12x1.75 - Replaces Cannondale Part #CK3257U00OS