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.

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.

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.

Be safe out there. Evo's Canadarm Barend Mirror is bar mounted for ease. Its flexible positioning allows ideal rear visibility, perfect for commuters.

- Includes stainless steel bolts - 40mm fits 200mm Front and 180mm Rear Rotors

Shimano's Di2 electric drivetrain takes shifting to the next level. Two Di2 Battery Chargers are available. Choose the model designed for your system's battery. An additional power cable is required for the external-style battery charger (sold separately). These chargers fully charge the battery in 90 minutes.

Tool-less, 3-position training wheel installation/removal system. - Closed-cell foam tires - Tubular steel arms - Compatible with 2013-present Hotrock 20-inch models only

If you've got rear-facing horizontal dropouts and you don't want your chain to slip when your rear wheel pulls forward, then Surly's got you covered. The Tuggnut is made from investment-cast stainless steel and it'll hold your wheel in place. Plus, it comes with an adapter for quick release axles and features an integrated bottle opener.

- Non-reusable joining pins for Gusset Chains

- Replacement pad set for Origin 8's Tri Clip-On Aero Bars

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x10 Flat Head Screws

- Required for use on carbon frames with carbon front derailleur braze on mounts - Compatible with all Campagnolo EPS front derailleurs - Increases the stiffness of carbon front derailleur braze-on mounts to handle the increase torque of EPS front derailleurs

- Required for charging Campagnolo V2 and V3 Power Units - Not compatible with Campagnolo V1 Power Unit

- Compatible with Super Record, Record, and Athena EPS systems - Required for use with the charger and works with V2 systems - USA/North America plug - adapters required for other countries

EPS Power Unit Mounts are required for mounting the Power Unit to the bicycle and are available in both seatpost mount and waterbottle mount. - Fits external seat post diameters from 30.9 - 31.6mm - Not compatible with the V2 Power Unit

- EPS under-seat shifter cable kit

In conjunction with the EPS Power Unit, the Interface is the "thinking" center of EPS and is responsible for on board diagnostics, managing settings, converting analog signal from Ergo Levers to digital and sending it on to the Power Unit maintaining a dialogue with the Power Unit. - New shape with LED indicators on 3 sides - Battery charges through the Interface Unit, no more need to drill a charging port hole in the bicycle frame - Contains a wireless module allowing for connection to PCs, smartphones, tablets, etc., through ANT+ and Bluetooth Low Energy (BLE). Requires the use of Android 4.3 or newer, or iOS 8 or newer - Only compatible with Campagnolo Super Record and Record V3 Power Unit - Waterproof to 1m for 30 minutes (IP67 Rated) - Weathertight, o-ring sealed connectors - See PDF for complete details on the V3 app and customization

The EPS Power Unit is the systems source of power as well as the "brain" of the system, responsible for managing the battery pack, enabling and monitoring the front and rear derailleurs and communicating with the Interface Unit. - Weathertight, o-ring sealed connectors - Lithium Ion battery duration: 500km/month - 1500km, 1000km/month - 1800km, 2000km/month - 2000km - Water proof to 1m for 30 minutes (IP67 Rated) - Operational temperature: -4F to 140F - Charging temperature: 32F to 113F - 17mm diameter for easy seat post installation - Battery charges through the Interface Unit - Compatible only with the Super Record/Record V3 Power Unit

Screws required for mounting Campagnolo hydraulic rear calipers to bicycle frames. Lengths unique to frame specifications.

The OCLV Carbon Mono Bar Extension delivers an even more aerodynamic leading edge to Trek's drag-defying Speed Concept (Gen 2). These straight and S-Bend extensions are designed to be cut to length and have internal routing for standard or Di2 cables. - Designed specifically for 2014 Speed Concept - OCLV Carbon fiber mono extensions - Straight and S-Bend extensions are designed to be cut to length - Internally-routed for Di2 and standard cables - Designed to accept 22.2mm standard extensions

Replacement chainring bolt kits

- Replacement backplates for MRP chainguides - Medium angle backplate models offer clearance for low chainstay frames such as VPP

- Replacement backplates for MRP chainguides - Medium angle backplate models offer clearance for low chainstay frames such as VPP

- Remote model includes handlebar release lever, Cable actuator arm and seatpost collar for Dropzone/I900r or Supernatural/I950r post - Lever model includes post-mount lever and seatpost collar for Dropzone/I900 or Supernatural/I950 post

Utilizing MRP's patented integrated skid, the XCg tucks neatly behind your crankset and protects those costly chainrings from damage. The replaceable nylon skid glides over rocks and obstacles. - Two sizes, 32t and 36t - Great accessory to protect costly chainrings - Integrated skid protects chainrings and glides over rocks and obstacles - 88g (XCg V2 32t, ISCG-05 model)

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.

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x4 Socket Head Screws

- Ergonomic 1x lever - Compatible with the Turbine and Aeffect Dropper Posts - Standard shifter cable and housing

- Updated chainguide design eliminates the lower roller reducing weight, noise, and complexity - S Line slider technology with o-ring ensures silent chain engagement - Updated polycarbonate bashguard features varying thickness material for increased strength - Smooth outer surface for easy cleaning and aluminum inserts at the chainring bolt holes to prevent damage during installation - ISCG and ISCG-05 mounting options - 34t-36t range - 4 bolt/104 BCD only - 180g