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.

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.

Problem Solvers' Braze-on Light mount threads into your fork or fender eyelets, allowing you to mount lights or accessories. It's lower position is great for getting your light closer to the ground for better visibility.

- Non-reusable joining pins for Gusset Chains

Saddle rail clamp outer-pieces to adapt Ritchey WCS Carbon 1-bolt posts to various saddle rail dimensions. - 8x8.5mm or 7x9.6mm available

The Problem Solvers Steerer Tube Shims are for installing 1-1/8-inch diameter threadless stems on 1-inch diameter threadless forks. The shim is made of light, durable anodized aluminum and is chamfered on the ends for easy stem installation.

RockShox Reverb Hose Parts

Zipps' Vuka Alumina Clip Risers work with the Vuka Alumina Above-Bar Clips (sold separately) and let you raise your armrest height. They're made of sturdy, lightweight aluminum and come in 10mm, 25mm, and 50mm sizes.

The Problem Solvers Cross Hanger is the perfect front brake cable hanger for your cyclocross bike with cantilever brakes. Designed for easy installation and maximum braking power, this light, durable aluminum piece comes in a version for headsets with standard spacers and another that's Interlok-compatible for Cane Creek headsets.

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

- Protective neoprene and velcro cut-To-Fit boot fits most rear shocks

The Problem Solvers Cantilever Studs screw into the bosses built into bicycle frames to provide the proper mounting studs for brakes. Each brake requires two studs.

The EPS Power Unit is the brain of the entire EPS system. The power unit input/output gate charges the battery and updates the firmware. The unit checks and manages the battery pack, interacts with the interface, drives the front and rear derailleurs, and displays system anomalies through an acoustic buzzer and RGD light. EPS V2 Power Units are for internal battery applications, under bottom bracket, or under chain stay mounting options and require the specific EPS V2 Interface. - Weathertight, o-ring sealed connectors - Lithium Ion battery duration: 500km/month - 1500km, 1000km/month - 1800km, 2000km/month - 2000km - Water proof to 1 meter for 30 minutes (IP67 Rated) - Operational temperature: -4F to 140F - Charging temperature: 32F to 113F

- 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

Compatible with Profile Design's T+ carbon, T+ aluminum, and ZBS aerobars. Make sure your fit is totally dialed with the appropriate rise for your aerobars.

Profile Design's Aerobar Bracket Riser Kit lets you customize the height of your Profile aero bar brackets and extensions for finding a perfect riding position. The kit includes two 10mm risers, two 5mm risers and appropriate-length bolts. Multiple kits can be used if you need more height. Note that this kit is not recommended for Profile Design's Carbon Stryke or T-mag bars.

- Clamp adapter for WCS Alloy and/or WCS Carbon LINK Seatposts - Converts for Ritchey Vector Evo saddle usage - 15mm offset

Flat Mount Disc Caliper Bracket Bolts

The Top Cap Assembly on your Reverb contains a dust wiper and bushing. These parts need to be in good shape for the continued smooth operation of your Reverb. This top cap includes the cap, dust wiper, and bushing. - Fits B1 generation RockShox Reverb seatposts - B1 posts have a black return speed adjuster on the remote and "ROCKSHOX" laser-etched logos on stanchion by the saddle cradle

RockShox Reverb Service Kit includes foam ring, inner seal head bushing and O-rings

This stem cap is where your bike fashion sense and the weight weenie in you collide. This Ultralight and ultra-sleek stem cap integrates a 5mm, 10mm or 15mm headset spacer with your stem cap in finely machined piece. Why have extra steerer tube requiring spacers on top of your stem you ask? Well, many carbon steerers require that the steer tube extend above the stem. Also, riders may want the flexibility to move handlebar height up and down for different types of riding or for bike re-sale. - Design and manufactured in Minneapolis, MN USA - 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only - 6061-T6 aluminum - 5mm internal cylinder wall height - Black aluminum bolt included Total weight (cap + bolt): 5mm= 12g. Compare to a standard flat stem cap and steel bolt at 20 grams + spacers add even more.

Inner Seal Head Assembly for servicing A1 and A2 generation Reverb and Reverb Stealth dropper seatposts. - Seals the upper tube from the inner shaft as it cycles - Fits A1 (2010-2012) and A2 (2013-2016) generation Stealth seatposts - A1 posts have a silver return speed adjuster on the remote and no laser-etched logos on stanchion by the saddle cradle - A2 posts have a black return speed adjuster on the remote and no laser-etched logos on stanchion by the saddle cradle - New as of 06/14

- Lightweight All-Mountain/Enduro 1X chain guide - Constructed from 6061 T-6 alloy and molded thermoplastic - Captive hardware for easy installation and adjustment - Not compatible with 104BCD x 30t chainrings - Integrated Beavertail bashguard - 123g (26-32t)

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.

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.

Pair this kit with a cassette cog of your choosing (sold separately) and discover the joy and simplicity of a singlespeed without the cost of a new wheel. The Singlespeed Spacer Kit includes a variety of high quality aluminum spacers so you can dial your chainline and a stainless steel lockring to tighten everything down right.

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.

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.

Surly bearing adjust caps for Mr. Whirly and OD