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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.

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.

- Minimalist double butted aluminum extensions designed for draft legal Triathlons (ITU and UCI approved) - Composite adjustable armrests, a one piece composite aero bridge and molded armrest pads

- Lightweight, super-efficient dual-ring chain guide for 2 x 10 drivetrains - Proprietary polymer slider silently guides chain with minimal wear and drag - Integrated bashguard protects chainrings - SRAM model specific to XX, XO, X9 and X7 2x10 cranks - 145-165g

Campagnolo's EPS Interface Unit is like a translator, the vital but often overlooked piece of the electronic shifting puzzle. Mounted to the brake cable or the handlebar, it processes the data churned out by the EPS Power Unit (sold separately) and communicates it to you via an easy-to-read colored LED. Plus, it plays the critical role of converting every analog shift you send its way into a digital format so the system can work as a cohesive whole. There's also an easy-to-read LED battery gauge so you know when it's time to recharge the system. And don't mind the weather, as it's totally waterproof.

Campagnolo's Athena EPS TT Interface Unit is like a translator, the vital but often overlooked piece of the electronic shifting puzzle. Mounted to the brake cable or the handlebar, it processes the data churned out by the EPS Power Unit (sold separately) and communicates it to you via an easy-to-read colored LED. Plus, it plays the critical role of converting every analog shift you send its way into a digital format so the system can work as a cohesive whole. There's also an easy-to-read LED battery gauge so you know when it's time to recharge the system. And don't mind the weather, as it's totally waterproof.

Campagnolo's EPS Power Unit is the reliable brain of electronic shifting. Inside sits a 3-cell, 12-volt Lithium-ion battery that delivers up to 1,200 miles on a single charge. It also houses the electronics necessary to deliver pinpoint shifting precision to the front and rear derailleur mechanisms (sold separately). If you're cross-chained, the system immediately senses it and sends a message to the front derailleur to move ever so slightly to avoid chain rub. Plus, the one-piece, ultrasonically-sealed unit is impervious to water or road vibration.

Campagnolo's Record EPS V2 Interface Unit is like a translator, the vital piece of the electronic shifting puzzle. Mounted to the brake cable or the handlebar, it processes the data churned out by the EPS Power Unit (sold separately) and communicates it to you via an easy-to-read colored LED. Plus, it plays the critical role of converting every analog shift you send its way into a digital format so the system can work as a cohesive whole. There's also an easy-to-read LED battery gauge so you know when it's time to recharge the system. And don't mind the weather, as it's totally waterproof.

Don't let chain slap damage your frame. Install a Pro Chainstay Protector. For top protection and a custom look, it's made of heavy-duty carbon-coated neoprene. Plus, it has a Velcro closure so it's easy to put on and stays in place, and it can be removed for cleaning too.

Turn your geared bike into a singlespeed machine with Origin-8's Pro Pulsion UL Chain Guide. It mounts to your derailleur hanger and provides a smooth, quiet, and adjustable means of tensioning the excess chain slack on any bike. The machined, lightweight design features a spring-loaded tension pulley and cna be adjusted for perfect chainline.

Origin-8's Grip N Seal QR Seat Clamp is forged from light and durable aluminum and features a rubber weather seal and an anodized finish to prevent corrosion. Its high-leverage quick-release lever makes it easy to raise/lower your seat.

Origin-8's Pro Force QR Seat Clamp is forged and machined from light and durable aluminum and has an extra-leverage design to hold fast. This fine clamp boasts an anodized finish and a long quick-release lever for excellent clamping force. It also gives you more to hold onto so it's easier to raise/lower your seat.

Origin-8's Quill Adapter allows you to use modern threadless stems on bicycles with threaded forks that take quill stems (stems with bolts in the center). The Quill Adapter is made of light and durable 7075 aluminum and features a chromoly bolt.

Standard replacement star nuts for threadless steerers.

Origin-8's Pro Cable Guide Pulley fulfills all your special cable routing needs. Designed to clamp onto seat tube, it allows you to route your cable for bottom pull front derailleurs. Uses a sealed bearing pulley.

Ditch the zip ties and clean up the look of your cables with Origin-8's Clamp-on 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.

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.

Origin-8's Braze-On Cable Stop with adjuster allows you to convert to STI style shifters. They mount onto down tube Braze-on bosses and are machined alloy with an anodized finish. The lightweight design lets you make the conversion without adding too much extra weight. One pair per package.

Switching over to hydraulic brakes? Secure your cables with Origin-8's Hydraulic Pass-thru inserts. They will securely hold the hydraulic hose in place while you ride. • Fits bicycles with pass-thru braze-ons • Holds hydraulic hose securely in place • Bag of 10

• Machined alloy arm • (ISCG Mount) international standard • Adjustable design • Sealed cartridge bearing • Prevents dropped chains on mountain bikes

• Converts any multi-speed bike to a single speed • Ceramic bearing pulley wheel for reduced resistance • Mounts to frame derailleur hanger • Adjusts for perfect chain tension • Lightweight, minimalist design

• Fits 3/8" Axles • Lightweight, compact design • Forged aluminum construction • Chromoly bolt

• Converts Braze-on front Derailleurs to clamp on • Lightweight forged alloy • Weight: 28g

Converts braze-on front derailleurs to clamp-on. Available in multiple clamp diameters.

• Converts direct mount front derailleurs to clamp on • Lightweight alloy • Fits 68/73mm and 100mm bottom brackets • 34.9mm clamp

Replacement pulley set with ceramic bearings. Compatible with 7,8,9, and 10-speed Campagnolo, Shimano, and SRAM drivetrains.

• Chain tensioner w/integrated derailleur hanger • Fits most 3/8-inch horizontal dropouts

• Emergency universal replacement derailleur hanger • CNC machined aluminum construction • Anodized and laser etched finish

Is your seat post just a hair too small for your frame? Origin-8's Multi-Fit Seat Post Shim is a great solution. • Multi-Fit • Aluminum • 25.4mm internal diameter • 28.0mm outer diameter