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Inventory varies across our stores. Please call to ensure the product you are looking for is in stock at the location you plan to visit before stopping by. You can always buy online for in-store pickup.
Belmont Wheelworks - 617.489.3577 | ACE Wheelworks - 617.776.2100

$2.99 - $5.00
- Half-link connector allows you to add or subtract half of one link (1/2 inch) from the chain in order to optimize chain tension
- Uses standard chain pin connector and tool

$3.00 - $24.95
You have to get that handlebar height just right. It's more comfortable, more efficient, and helps keep your entire upper body healthier. Wheels Manufacturing has your well-being covered with a wide variety of sizes to ensure your bars are right where they need to be.
- Spacers are sold individually or in packs of 5 or 10 spacers. Select options from the dropdown menus to display pack size

$3.99
The Greenfield RetroKit is a retro-mounting kickstand plate designed with a cutaway to clear derailleur cables.
- Fits all Greenfield kickstands and most generics
- Made in the USA

$3.99
- Alloy spacer converts an 8-speed rear hub to use a 7 speed cassette
- Range: 4mm
- Color: Silver

$4.00 - $18.99
Aluminum headset stack spacers precision-cut to ensure proper headset function.
- Precision-cut for proper function
- Inner Diameter: 28.9mm
- Outer Diameter: 34.4mm
- Precision-machined aluminum

$4.50
Available in the most common sizes and thicknesses-in small or bulk quantities, Problem Solvers headset spacers help riders get their stack height just right.
- Made from Aluminum, anodized or polished finish, without logos
- 1-1/8" Diameter
- S.H.I.S. Stem Clamp Diameter: 28.6mm

$4.99
The Problem Solvers Brake Boss Plugs are perfect for when you've removed your cantilever or linear-pull brakes in order to run disc brakes or a fixie setup. These plugs thread into the empty frame bosses and lend a clean look, while also protecting the threads inside the frame from corrosion.

$4.99
Power Links provide tool free chain assembly.
- 8-speed width: 7.1mm
- 9-speed width: 6.8mm
- Chain Compatibility: SRAM
Sold as a single link.

$4.99
Bolts, clamps and washers for Thomson Seatposts and Seat Clamps.
- Sold individually, includes bolt, washer and nut

$5.00
All-City replacement bolts and adjustment springs for the Hennepin Bridge and Space Horse dropouts.
- Sold as a pair; two bolts and two springs
- M4x0.7mm thread
- Length: 45mm

$5.00 - $5.99
A new stet of post keys for your RockShox Reverb tightens up any rotational slop that may develop normally with use.
- Fits all generations of Reverb and Reverb Stealth
- Brass Key sizes are defined by the number of lines on the key. (Zero lines means a "Size 0" key, 3 lines means a "Size 3" key.)

$5.99
Problem Solvers' 11-speed Freehub Spacer converts your 11-speed freehub body to accept a 10-speed casssette. Use this spacer if you are running a 10-speed drivetrain on a new set of wheels with a 11-speed freehub body. The spacer is 1.85mmm thick.

$5.99 - $8.99
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.

$5.99
Bolts, clamps and washers for Thomson Seatposts and Seat Clamps.
- Sold individually, includes bolt, washer and nut

$6.00
KMC Missing Link connectors are for use on new chains or to keep in your seat bag for an emergency repairs.
- Compatible with KMC and Shimano 10-speed chains
- Includes 2 pairs

$6.00
- Black carbon fiber weave headset spacers for tuning ride height - No logos - Includes one (1) 1-1/8" x 15mm spacer

$6.00
- Black carbon fiber weave headset spacers for tuning ride height - No logos - Kit includes one (1) 1-1/8" x 20mm spacer

$6.50 - $7.99
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.

$6.99
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.

$6.99
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.

$6.99 - $19.99
- 6061 Forged Alloy
- Made to O.E.M. specifications
- Correct hardness to reduce damage to frame upon impact
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