Gain an aerodynamic advantage with Origin-8's Tri Clip-On Aero Bars. These aluminum clip-ons fit a wide range of handlebars. With independent arm rests and bar-angle and reach adjustments, it's easy to get a great-fitting aero setup.

• 6061-T6 tubular aluminum construction • Laser etched graphics • Independent arm rest and bar adjustment • Does not include armrests • Cannot mount shifters onto ends • Clamp diameter: 25.4-31.8mm • Extension length: 105mm

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.

• Machined aluminum mounting arm • Delrin (engineering grade thermoplastic) chain guide body • Adjustable design • Fits 32T to 38T chainrings • Compatible with 1x drivetrain systems • Clamp mount: 31.8-34.9mm • Weight: 75g (BB Mount), 88g (clamp mount), 80g (Mini)

• 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

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

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

- Converts a cassette hub to a single speed - 8 spacers included in various sizes to adjust chain line - Available in black or red anodized 6061 aluminum - Fits Shimano style cassette bodies - Conical spacers for increased cog stiffness

- Converts a cassette hub to a single speed - 8 spacers included in various sizes to adjust chain line - Available in black or red anodized 6061 aluminum - Fits Shimano style cassette bodies - Conical spacers for increased cog stiffness

- AL6061 alloy construction - Non-keyed design - Jar of 40 spacers

Origin-8's Down Tube Shifter Adapter is perfect for mounting down tube style shift levers on a bicycle that doesn't have provisions on the frame for them. It's made of light and durable machined aluminum with an anodized finish and fits frames with 1 1/8- to 1 1/4-inch diameter down tubes. Mounting hardware and shims are included.

- 3-piece expander design provides a secure fit within carbon steerer tubes - 22-25mm range of expansion - 50mm height reinforces your carbon steerer tube beneath the stem - New design evenly distributes headset compression forces - Lightweight AL6061 alloy construction - Stainless steel bolt

- Unidirectional carbon fiber 1-1/8" headset spacers - Sold in bags of 5

- 3-piece expander design provides a secure fit within carbon steerer tubes - 22-25mm range of expansion - Extra-long 90mm height reinforces carbon steerer tube beneath the stem - New design evenly distributes headset compression forces - Lightweight AL6061 alloy construction - Top cap and bolt not included - 1-1/8-inch steerer diameter

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

- Top lock nut for threaded headsets - Includes water seal - Bag of 10 Lock Nuts

Converts CenterLock hubs to accept 6-bolt rotors - Available for standard Quick Release as well as Thru-Axle hubs - Extruded alloy collar with CNC shoulder pins and lock ring - Eliminates the need for rotor bolts

- AL6061 alloy construction - Non-keyed design - Jar of 20 spacers

Replacement brake hoods for Origin8 Classique Sport road levers

Seatpost clamp with integrated cover prevents dirt and mud from entering the frame at the seatpost junction - Chamfered edges and ovalized hole design protects carbon frames and seatposts - AL6061-T6 alloy clamp with NBR cover - 31.8mm for 27.2mm seat posts and 34.9mm for 31.6mm seat posts - 16mm height

Replacement hoods for Origin8 Pro Force LP road brake levers

• 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.

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

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

- AL6061 alloy construction - Non-keyed design - Jar of 10 spacers

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.

Lightweight aluminum alloy - Non-Keyed - Height: 20mm - 10 to a bag

- AL6061-T6 alloy quick-release seatpost clamp with CNC machined cut-outs - Stainless steel bushing ensures smooth lever action - Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts - 29.8mm for 27.2mm seatpost and chromoly frame - 31.8mm for 27.2mm seatpost and aluminum frame - 34.9mm for 30.9mm seatpost and aluminum frame, or 31.6mm seatpost and carbon frame - 16mm height

- AL6061-T6 alloy quick-release seatpost clamp with CNC machined cut-outs - Stainless steel bushing ensures smooth lever action - Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts - 29.8mm for 27.2mm seatpost and chromoly frame - 31.8mm for 27.2mm seatpost and aluminum frame - 34.9mm for 30.9mm seatpost and aluminum frame, or 31.6mm seatpost and carbon frame - 16mm height