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 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.

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.

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.

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

The Problem Solvers Cable Doublers are made of light, durable machined and anodized aluminum and they are Teflon coated for a super-smooth cable pull every time. They come in two models. The first allows you to control two brakes with one lever. The second allows you to control one brake with two levers. Why? Well, there are myriad applications: tandems, cyclocross bikes, fixies, tricycles, recumbents, cycles for those with special needs, bike polo bicycles, those 4-person bikes you see on beach boulevards, and so on. You could even link both models of Cable Doublers together for the ultimate in redundancy!

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.

Problem Solvers Deckster pedal adapters. Converts SPD-compatible pedals to platform pedals for casual cruising. • Works with 2-bolt, SPD-style cleats, such as Time, Shimano, Crank Brothers, Wellgo and others. Not compatible with Speedplay • Cleats not included • 85 x 95 x 10mm platform • Hardware included, cleats not included

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.

Shimano BT-R1A External Di2 Battery - All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions - Use Di2 system checker to update component firmware - Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems - Battery weight: 71 grams

The Ohlins Stumpjumper Spring sets a new benchmark for spring rate accuracy and light weight for steel springs. - Ultra-fine spring rates to ensure perfect set up for all weights. - Spring rates are broken down to 4 N/mm (23 lbs./in). - Fits Ohlins TTX shock absorber for Stumpjumper FSR only. - Made with proprietary ultra lightweight steel, it's incredible for keeping your build weight down for trail riding.

Power Links provide tool free chain assembly. - 8-speed width: 7.1mm - 9-speed width: 6.8mm - Chain Compatibility: SRAM - Reusable: Yes

RockShox's Maxle Lite is a lightweight aluminum through-axle system. It lets you remove and install your wheel as fast as with a standard quick-release while delivering the awesome stiffness with the improved strength and control of a through-axle. Plus, the lever can be closed in whatever position you like and no tools are required for installation and use!

Ergonomic Legacy II Aerobars feature extensions that provide a variety of hand positioning, and width and rotational armrests with a high stack to achieve a relaxed ride position. Ideal for riders that need extra positions for Centuries. - Injected Venturi Armrest and ZB Bracket - Forged 6061-T6 construction with armrest made of injected nylon and glass fiber - Fixed extension adjustment - Extension angle 44 degrees with 58mm rise - Fits both 26.0 and 31.8mm basebars, shims included

- Alloy spacer converts an 8-speed rear hub to use a 7 speed cassette - Range: 4mm - Color: Silver

• Shim available in various sizes • For use with 25.4mm or 27.2mm seatposts

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.

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.

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 (1) M8 Chainring Bolt

Grade 300 retainer bearings for headset and bottom bracket service. - 10 Retainers/Bag

These simple clamps allow riders to mount I-Spec II compatible shifters or dropper levers onto their bars without the otherwise-requisite Shimano I-Spec II compatible brake levers. Sold individually and can be used for either right- or left-hand side. - Hinged clamps for easy installation without removing other components - AL-6061, anodized black - 23 grams - For use only with I-Spec II compatible shifters or dropper lever

The premier bar plugs in the pro peloton scream style. Color match or contrast to get your ideal look. Star Plugz are the clear choice for the discerning rider. - Powder-coated aluminum bar plugs - 3mm screw & expand - Laser-etched - Patented lock tight crown design (plugs never fall out)

This is the correct plug-and-play wire for Shimano's E-Tube Di2 electric-shifting systems. It comes in sixteen different lengths, so choose the one(s) that's right for your Di2 E-Tube wiring configuration.

Add a rack to your frame, even if you don’t have rack mounts. Allows standard rack stays to be bolted directly to the seat collar, for a clean and simple look. Made from lightweight aluminum for durability, with threaded inserts to bolt the stays directly into the seat clamp. - 35mm inner diameter fits all alloy Specialized MTB frame designs with 30.9mm posts and 35mm O.D. seat tubes. - 37mm inner diameter fits all carbon Specialized MTB frame designs with 30.9mm posts and 37mm O.D. seat tubes.

These are the correct connecting links for SRAM's 12-speed Eagle chains. They are great for installing new chains and fixing chains on the road and trail, too. They come in a four pack, for use with four chains.

- Raises the stem height of threadless systems without installing a longer steerer tube - Spacers can be placed above or below the stem to fine tune height - Compatible with steel and aluminum steerer tubes only - Includes spacers and top cap

Your Sun Traditional Trike can be made even more useful with the addition of twist-shift 7-speed gearing and a powerful rear disc brake! This complete kit includes all necessary components for converting your 2016 or later Sun Traditional Trike to a 7-speed derailleur system with a mechanical disc brake, giving you an easy and efficient ride up and over any type of hill and smooth, safe stopping on the other side. The parking brake feature on both front and rear brake levers allows you to lock either or both brakes simultaneously to load or unload with ease. Simple and common parts mean easy maintenance for years of use. Kit includes all components including items such as cable ties and other small parts for an original-equipment look. - Sun Race M30 7-speed twist shifter - Sun Race M40 7-speed direct-mount derailleur - Sun Race M3 7-speed freewheel (13-15-17-19-21-24-28T) with 15mm trike axle adapter - 36T x 1/2" x 3/32" chainring - K.M.C. Z51 1/2" x 3/32" chain - Promax DSK-300 mechanical disc brake and mounting hardware - Promax 160mm stainless steel rotor with 15mm trike axle adapter - Promax BL-46K 4-finger brake lever with parking lock - High-density black foam grips, 92mm left side / 130mm right side - Kit includes all parts needed for complete installation - Kit only compatible with 2016 or newer Sun trikes with rear derailleur and disc brake mount on rear unit

5-Speed Sturmey Archer Coaster Brake Trike Conversion Kit - 21T Front Drive Cog - 22T Rear Transfer Cog - 24T Axle Drive Cog - Cable stop required when installing on Sun Atlas Industrial Cargo Trike