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Inventory may vary and items may be only available at one of our stores. Please call us to make sure the part you are looking for is available at the store you want to visit.
Belmont Wheelworks - 617.489.3577 | ACE Wheelworks - 617.776.2100

$131.99
Zipp’s Vuka Extensions are made of ultralight, stiff carbon and come in different bends so that you can find the model that optimizes your aero position and maximizes your speed. The Straight extensions place you as low as possible, while the Race and Ski-Tip models have more bend for your wrists. Then, for a seamless junction between your shifters and the extensions, the Race Vuka Shift has built-in mounts that let you screw your shifters directly to the extensions. They accept Zipp’s R2C Aero shifters and SRAM's 900 TT and 500 TT shifters. All the extensions have internal cable routing and gradations to make adjustments easy.

$29.00
Sometimes the kidlets need a leg up, and that’s what this aptly named accessory does. Designed to help 4- to 7-year-old kids climb up onto the seat and rest their feet before their legs are long enough to reach the Sideloaders.
- Compatible with Mundo V4 and V5s, V4s frame sets, and elMundo BionX
- Easy to install with an Allen wrench size 5
- Includes hardware
- Yuba 2-Year Warranty

$30.00
Boda V3 Pegs are the perfect resting place for those little feet aboard the Boda Boda V3. Mounts securely to the side of the frame with the turn of a screw.
- Compatible with Boda Boda V3 and elBoda Boda V3 only.
- Weight: 1 pound

$69.99
Yuba's Hold On gives your traveling companion a sure grip when you're riding about town. This stem/handlebar combo attaches to the seatpost of Yuba Mundo's cargo bikes so they'll feel like they're on a bicycle built for two even if they can't help out with the pedaling.

$69.99
Yuba's Ring gives your passengers a safe, comfortable handhold as you cruise the streets looking for adventure. This aluminum accessory mounts to the rails of the passenger seat on Yuba's Boda Boda cargo bicycle.

$69.99
Have you been looking for a way to take more bikes with you? Perhaps you’d rather bike to your cyclocross races to get warmed up? Or maybe you want to take your kid to the park with their bike to gain confidence before having to battle traffic?
Fitting all Mundo V3, V4 and V5 models, the towing tray makes it possible to bring along any bike from a 12-inch up to a 29er, with a tire width of up to a 2.25-inches. It is made out of the same material as our Utility decks: recycled milk jugs. It is durable and tough. A side bumper will keep the towed bike from scratching your Mundo. Towing tray kit includes running board with a slot for front tire, and an adjuster for 20-inch, 16-inch, or 12-inch tires, and bumper.
- Includes a Tow Tray + Running Board
- Material: HDPE plastic
- 2-Year Warranty
- Note: Tow Trays are compatible only with the Mundo V4s and V5s

$34.99
Offered in multiple sizes and applications, Wolf Tooth Components' ReMount places your dropper lever in a more ergonomic position tha allows you to keep a better grip on the bar while actuating your dropper post.
- Available in standard 22.2mm diameter for MTB bars, as well as Shimano I-Spec A&B, I-Spec II, and SRAM MatchMaker options
- Designed to work with cable-actuated dropper levers with pivots parallel to the handlebar's length
- Allows a dropper post remote to be below the bar and on its side for better ergonomics

$6.99
- 10-speed: stainless steel 6.1mm wide no tool chain connector for Shimano and Campagnolo
- 9-speed: stainless steel 6.5mm wide no tool chain connector for Wippermann chains
- 6-8 speed: stainless steel 6.8mm wide no tool chain connector for Wippermann chains

$3.00 - $25.00
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

$5.00
- Black carbon fiber weave headset spacers for tuning ride height - No logos - Includes one (1) 1-1/8" x 10mm spacer

$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

$6.25
Wheels Manufacturing Wide Chainstay Protector w/ Alcohol Prep Pad keeps your frame's paint looking good and helps quiet any chain slap on the chainstay. Wide design offers extra coverage for larger chainstays.

$8.25
Tub of 25 Grade 25, 1/4" loose ball bearings to fit many brands of hubs, headsets, and bottom brackets.
Grade 25:
- Dura Ace or Campy Record quality
- 25 per tub

$8.25
Tub of 25 Grade 25, 3/16" loose ball bearings to fit many brands of hubs, headsets, and bottom brackets.
Grade 25:
- Dura Ace or Campy Record quality
- 25 per tub

$9.95
Tub of 75 Grade 25, 5/32" loose ball bearings to fit many brands of hubs, headsets, and bottom brackets.
Grade 25:
- Dura Ace or Campy Record quality
- 75 per tub

$9.95
Tub of 25 Grade 25, 7/32" loose ball bearings to fit many brands of hubs, headsets, and bottom brackets.
Grade 25:
- Dura Ace or Campy Record quality
- 25 per tub

$10.00
- Black carbon fiber weave headset spacers for tuning ride height - No logos - Includes five (5) 1-1/8" x 2.5mm spacers

$20.00
Enduro 24X37 ABEC-3 Sealed Bearing. Replacement bearing for Wheels Mfg bottom brackets for 24mm (Shimano) and 22mm/24mm (SRAM GXP) spindle cranks.
ABEC-3 bearings are the most economical bearing Enduro offers but are extremely tough and durable.
Grade 10 chromium steel balls are within 10/1,000,000" round. These are twice as round as the industry standard. 52100 high carbon chromium alloy races go through a vacuum de-gassing process resulting in the purest chromium alloy steel, hardened to R-62. Keeping everything together are riveted steel retainers and sealed with LLB type seals.
- Dimensions: OD: 37mm / ID: 24mm / Width: 7mm
- ABEC-3 - Grade 10, 5/32" chromium steel balls
- Enduro Part # BB MR 2437 LLB-BLK
- Imported
- Sold Bag of 2

$22.00
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

$22.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x8 Flat Head Screws

$22.00
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 (bolt only)

$24.99
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

$24.99
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 (Long - Bolt Only)

$25.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Flat Head Screws

$27.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screw

$27.00
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

$27.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Socket Head Cap Screws

$27.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x8 Flat Head Screws

$27.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M5x10 Socket Head Screw

$27.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Socket Head Cap Screws Note: Wheels Mfg DROPOUT-17 measures 15.49mm between the 2 mounting holes (center to center) and 4.7mm between the 2 vertical plates.

$27.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Flat Head Screws

$27.00
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

$27.00
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

$27.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M6 Chainring Bolt

$27.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

$27.00
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

$27.00
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

$27.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

$27.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

$27.00
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

$32.00
BB30 service kit includes 2 Enduro 6806 ABEC-3 sealed bearings and 2 retaining clips. - Bearing Dimensions: OD: 42mm / ID: 30mm / Width: 7mm - Direct replacement bearing for OEM BB30 and BB30A systems - Enduro ABEC-3 bearings

$32.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Socket Head Cap Screws

$32.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws Note: The mounting holes on Wheels Mfg DROPOUT-120 are 18mm apart, center-to-center. Do not confuse this hanger with DROPOUT-138.

$32.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws Note: The mounting holes on Wheels Mfg DROPOUT-138 are 23mm apart, center-to-center. Do not confuse this hanger with Wheels Mfg DROPOUT-120.

$32.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x8 Flat Head Screws

$32.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances.
- CNC machined 6061 aluminum
- Black anodized finish
- For carbon frames, use (2) M3x8 Flat head screws
- For all non-carbon frames, use (2) M3x10 Flat head screws

$32.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M6 Chainring Bolt

$32.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - (2) M4x8 Flat head screws included Note: This dropout can be used in place of Wheels Mfg DROPOUT-246. The only difference is the number of fasteners.

$32.00
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

$32.00
Replacement derailleur hanger for Specialized 135mm SCS system compatible frames when using a SCS 135mm road disc hub. Hanger has a 2.5mm offset to allow for proper derailleur alignment. Do not confuse with Wheels Mfg DROPOUT-146, which is for Specialized non-SCS frames. All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - (2) M3x8 Flat head screw included

$32.00
All Wheels Mfg. replacement derailleur hangers are produced in Colorado to exacting tolerances. - Replaces BMC Hanger #37 (Part #212177) - Attaches to frame with (2) M3x12 flat head screws (sold separately) - CNC machined 6061 aluminum - Black anodized finish

$40.00
Wheels Manufacturing Angled Spacer Single Speed Conversion Kit is a Shimano- and SRAM-compatible single speed conversion kit with ramped spacers. Additional spacers are included to dial-in chainline. Includes: - (2) - 9mm angled spacers - (6) - 3mm spacers - (2) - 1mm shims - (1) - lockring - (1) - 16t cog Compatible with: - Any 1/2 x 1/8 pitch chain, this includes BMX and Track chains - Any 8 or 9-speed chain * Does not work acceptably with 10 or 11-speed chains

$40.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - (1) M4x16 socket head screw included

$40.00
All Wheels Mfg. replacement derailleur hangers are produced in Colorado to exacting tolerances. - Replaces Raleigh part #32-68-231 - Attaches to frame with (1) M4x12 Socket head screw (sold separately) - CNC machined 6061 aluminum - Black anodized finish - This hanger is not interchangeable with Diamondback Part # 32-68-060 (DROPOUT-291)
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