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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

$589.00
The Oversized Pulley Wheel System for SRAM Red and Force AXS features a 15-tooth upper and 19-tooth lower pulley wheel setting for maximum efficiency. The handbuilt OSPW System has two spring tension settings that offer you customized setup based on riding conditions. This OSPW System is also compatible with the 2020 11-speed SRAM Red eTap derailleurs featuring a clutch. - Pulley wheels: CeramicSpeed 15-tooth upper and 19-tooth lower - Pulley wheel material: aluminum - Cage material: carbon-reinforced PA - Bearing options: CeramicSpeed Standard or Coated - Compatibility: SRAM Red AXS and SRAM Force AXS. 2020 SRAM Red eTap 11-speed derailleur with the orbit clutch. This system is also compatible with the wider-range Force AXS medium cage derailleur - Cassette Compatibility: Fits 12-speed 10-36 tooth cassettes. Fits 11-32 tooth cassettes when used with an 11-speed clutched derailleur - Spring Tension Settings: 2-spring - Speeds: 12-speed - Discipline: Road and Gravel/Cross - Custom tool included for removal of stock cage and securing of OSPW. The factory clutch mechanism will remain intact. There is no damage or modification to the clutch for the installation of the OSPW System In the box: - Complete OSPW System for SRAM Red/Force AXS - CeramicSpeed Pulley Oil, 15 ml dropper bottle - Custom tool for removal of stock cage and securing of OSPW System
$183.00
Our new Sonic bracket has been designed as the successor to the J2, which has been a somewhat ignored part of our range. With this update it brings our new generation fit range to a wider range of price points, replacing the J2 bracket. The Ergo armrest has been created to offer both a huge upgrade in fit range as well as increased rider comfort with a supportive curve to cup the arms. Performance - The Sonic/Ergo is designed to present minimal frontal area to create as little aerodynamic drag as possible. The main purpose of an aerobar is, of course, to get the rider into a fast position. Despite a fairly minimalist appearance, the Sonic/Ergo offers a comprehensive fit range for exactly this purpose. Fit Data - Armrest Offset: -70mm to -2.5mm in 7.5mm steps - Armrest Width: 124mm to 290mm in 18.5mm steps (With Extensions at 100mm) - Armrest Stack: 60mm (no riser kit) to 130mm in 5mm increments (With aftermarket Riser Kit) - The extension length and rotation can be easily adjusted using the top bolt. There are 100 distinct position options achievable just by moving the armrests. Combine that with the risers and this bar offers 1500 possible configurations. As a clip-on bar it is also possible to adjust the extension width and tilt easily. This is the most adjustable clip-on bar on the market (and in history). It is worth noting that our previous top level clip-on aerobar, the J4/F35, offered 90 possible configurations. This highlights the significant step forward we’ve made with our new generation aerobars in allowing riders to precisely adjust their position. Origin - After we released the Supersonic (J5) as a premium bracket with market-leading fit options and versatility, we wanted to bring the same kind of options to the rest of our range of brackets and thus aerobars. By simplifying the extension clamp and shifting the wing forward to the bar center line, we were able to meet our targets. As a consequence of the simplification the Sonic is the lightest of our current brackets. The Ergo armrest shares the flippable design of the rest of our new generation armrests. By swapping sides or rotating the armrests, smaller increments of movement are achieved – making it simple to fine-tune a rider's position or match the position from their previous aerobar or bike. Extensions - Extension Shape: A 35 degree ski-bend extension suited to riders who prefer to adopt a wrist angle that is on the low side of the neutral range. - The 35a is a straight 35° bend. - Bracket: Sonic - Clamp Diameter: 31.8mm (26.0 w/Shims) - Armrest: Ergo / 10mm Pads - Armrest Width: 124mm to 290mm in 18.5mm steps (with Extensions at 100mm) - Armrest Offset: -70mm to -2.5mm in 7.5mm steps - Armrest Stack: The minimum is 60mm and the bracket is compatible with our existing risers which add up to 130mm stack with (70mm of spacers added) - Weight: 559g
$183.00
Our new Sonic bracket has been designed as the successor to the J2, which has been a somewhat ignored part of our range. With this update, it brings our new generation fit range to a wider range of price points, replacing the J2 bracket. The Ergo armrest has been created to offer both a huge upgrade in fit range as well as increased rider comfort with a supportive curve to cup the arms. Performance - The Sonic/Ergo is designed to present minimal frontal area to create as little aerodynamic drag as possible. The main purpose of an aerobar is, of course, to get the rider into a fast position. Despite a fairly minimalist appearance, the Sonic/Ergo offers a comprehensive fit range for exactly this purpose. Fit Data - The extension length and rotation can be easily adjusted using the top bolt. There are 100 distinct position options achievable just by moving the armrests. Combine that with the risers and this bar offers 1500 possible configurations. As a clip-on bar it is also possible to adjust the extension width and tilt easily. This is the most adjustable clip-on bar on the market (and in history). It is worth noting that our previous top level clip-on aerobar, the J4/F35, offered 90 possible configurations. This highlights the significant step forward we’ve made with our new generation aerobars in allowing riders to precisely adjust their position. Origin - After we released the Supersonic (J5) as a premium bracket with market-leading fit options and versatility, we wanted to bring the same kind of options to the rest of our range of brackets and thus aerobars. By simplifying the extension clamp and shifting the wing forward to the bar center line, we were able to meet our targets. As a consequence of the simplification the Sonic is the lightest of our current brackets. The Ergo armrest shares the flippable design of the rest of our new generation armrests. By swapping sides or rotating the armrests smaller increments of movement are achieved – making it simple to fine tune a riders position or match the position from their previous aerobar or bike. - Bracket: Sonic - Clamp Diameter: 31.8mm (26.0 w/Shims) - Armrest: Ergo / 10mm Pads - Armrest Width: 124mm to 290mm in 18.5mm steps (with Extensions at 100mm) - Armrest Offset: -70mm to -2.5mm in 7.5mm steps - Armrest Stack: The minimum is 60mm and the bracket is compatible with our existing risers which add up to 130mm stack with (70mm of spacers added) - Weight: 559g
$183.00
Our new Sonic bracket has been designed as the successor to the J2, which has been a somewhat ignored part of our range. With this update, it brings our new generation fit range to a wider range of price points, replacing the J2 bracket. The Ergo armrest has been created to offer both a huge upgrade in fit range as well as increased rider comfort with a supportive curve to cup the arms. Performance - The Sonic/Ergo is designed to present minimal frontal area to create as little aerodynamic drag as possible. The main purpose of an aerobar is, of course, to get the rider into a fast position. Despite a fairly minimalist appearance, the Sonic/Ergo offers a comprehensive fit range for exactly this purpose. Fit Data - Armrest Offset: -70mm to -2.5mm in 7.5mm steps - Armrest Width: 124mm to 290mm in 18.5mm steps (With Extensions at 100mm) - Armrest Stack: 60mm (no riser kit) to 130mm in 5mm increments (With aftermarket Riser Kit) - The extension length and rotation can be easily adjusted using the top bolt. There are 100 distinct position options achievable just by moving the armrests. Combine that with the risers and this bar offers 1500 possible configurations. As a clip-on bar it is also possible to adjust the extension width and tilt easily. This is the most adjustable clip-on bar on the market (and in history). It is worth noting that our previous top-level clip-on aerobar, the J4/F35, offered 90 possible configurations. This highlights the significant step forward we’ve made with our new generation aerobars in allowing riders to precisely adjust their position. Origin - After we released the Supersonic (J5) as a premium bracket with market-leading fit options and versatility we wanted to bring the same kind of options to the rest of our range of brackets and thus aerobars. By simplifying the extension clamp and shifting the wing forward to the bar center line we were able to meet our targets. As a consequence of the simplification the Sonic is the lightest of our current brackets. - The Ergo armrest shares the flippable design of the rest of our new generation armrests. By swapping sides or rotating the armrests smaller increments of movement are achieved – making it simple to fine-tune a riders position or match the position from their previous aerobar or bike. Extensions - Extension Shape: A 50a extensions offer a 50° ski bend shape. The 50a offer a 7.5mm lateral shift per side. This allows the rider to get their hands narrower or wider without tilting the extensions so much that the shifters touch. - Bracket: Sonic - Clamp Diameter: 31.8mm (26.0 w/Shims) - Armrest: Ergo / 10mm Pads - Armrest Width: 124mm to 290mm in 18.5mm steps (with Extensions at 100mm) - Armrest Offset: -70mm to -2.5mm in 7.5mm steps - Armrest Stack: The minimum is 60mm and the bracket is compatible with our existing risers which add up to 130mm stack with (70mm of spacers added) - Weight: 559g
$103.99 - $135.99
Shimano's Di2 electric drivetrain takes shifting to the next level. Two Di2 Battery Chargers are available. Choose the model designed for your system's battery. An additional power cable is required for the external-style battery charger (sold separately). These chargers fully charge the battery in 90 minutes.
$134.00
The core of Profile Design's T-Carbon aerobar line, the J5 bracket was built for adjustability with features that enable a customized fit to dial in rider position. The Inline Compression Clamp (ICC) provides single bolt extension adjustment that is simple, secure and easy to use. - Standard on all new 2017 model T Plus Carbon Series Aerobars - Stackable with risers to elevate the armrest up to 70mm of extra height adjustment - The offset BTA bridge (not included) when combined with the new F-40TT armrest gives more expansive width and reach adjustments with a total of 32 armrest positions per side - Constructed of forged 6061-T6 Aluminum - Stack Height: 42mm - Width Adjustment: 37mm - Basebar Clamp Diameter: 31.8mm - Extension Clamp Diameter: 22.2mm - Weight: 266g
$132.99
Shimano Di2 External Battery Mount - 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
$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.
$125.00 $165.00 24% Off
Allows for additional hand positions on long rides and during endurance events - Superlight carbon construction, 98g with the provided stainless hardware - Compatible with most 31.8mm diameter flat MTB and road handlebars - Allows GPS and LED attachments - Only requires 2.5~3Nm of torque when mounting to the handlebars
$122.99
Service your DT Swiss star ratchet hubs and wheels with DT Swiss Ratchet and Kits. - DT Swiss Star Ratchet Kit - 54T
$117.00
Service your DT Swiss star ratchet hubs and wheels with DT Swiss Ratchet and Kits. - DT Swiss EXP 54 Tooth Upgrade Kit
$109.99
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
$106.00
Upgrades your 1x bike to the familiar ergonomics of a left shift lever.
$99.99
ReMote Sustain Lever - Levers are Reverb Stealth series specific - A-series have no Rockshox marking below the head whereas B-series have gold Rockshox markings below the head - Engineered break-away pivot that allows the lever to break away from the pivot in the event of a crash - Cable Kind Clamp does not damage secured cables and features captive hardware - Only compatible with Reverb Stealths - Features a leak-proof, robust, and low-maintenance mechanical actuation system - Easy cable detachment for service, travel or bike shipping - 40mm reduction in in-frame height compared to Connectamajig Reverbs
$94.57
Replacement lever blades for Magura disc brakes
$59.99 - $89.99
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!
$81.00
RockShox Reverb/Reverb Stealth IFP - Fits Reverb and Reverb Stealth
$75.00
Jagwire's Brake or Shift Cable Tips are made of lightweight, corrosion-resistant and durable aluminum and are the right size to nicely fit over the ends of up to 1.8mm-diameter cables. These caps are crimped in place on the cables to prevent fraying and ensure your cables last a long time. The tips come in colors to add a little style to your bike.
$74.99
- The only bash guards offering protection for 2x and 1x drivetrains with odd BCDs - Anodized with laser etched graphics, CNC machined 6061 T-6 aluminum construction and includes custom mounting hardware - 120BCD: XX/XO/X9/X7 2x cranks - 88BCD: XTR M985 2
$74.99
The ReMote BarCentric is a dropper lever option for bikes with front shifters, lockout levers, or e-bike controls. The slender design of the ReMote BarCentric allows it to easily fit between the left grip and levers with four potential lever positioning options to avoid any interference with existing levers. This dropper lever has a ring shape that encompasses the handlebar, while also serving as a pivot point to provide the rider with extra leverage, making it easier to press the lever. - Compatible with left side controls including 2x shifters, suspension lockout levers, and under-bar e-bike controls - Large, smooth, sealed Enduro ball bearing that encircles the handlebar - Clean and efficient cable routing flows around disc brake levers - Adjustable reach for ideal ergonomics and controls clearance - Compatible with all cabled actuated dropper posts - Works with dropper posts that have the barrel end of the cable at the remote and those that have the barrel end at the post - Works with any mountain bike handlebar - Can be rotated to your preferred position
$70.00
The tool-free Maxle Ultimate Rear brings exceptional stiffness and durability to your ride in a high clamping force, easiest-to-use internal cam thru axle system.
$70.00
An essential part of any passenger-carrying system is something they can hold for balance. The Globe Passenger Handlebar bolts to the top of the Haul rear racks to provide passengers of all ages with a comfortable and safe grip. The reversible and versatile design can be mounted anywhere along the rack for a fully customizable setup. **For Globe Haul ST: Use of compatible (1) footrests (pegs), (2) passenger seat, (3) passenger handlebar, and (4) rear wheel cover required to safely carry passengers. All items available separately. ** - Designed for frictionless compatibility with the Globe Haul ST and Haul LT. - All tools required for assembly are included with the purchase of the Haul ST or Haul LT bike.
$70.00 $70.00 On Sale
The spindles are manufactured for Stages Cycling by Full Speed Ahead, forged and machined out of aluminum to allow for the carbon Stages Power meter for FSA 386 EVO and Stages Carbon 30mm model to be used with many SRAM BB30 road and SRAM BB30 mountain bike drive side cranks, as well as SRAM DUB MTB, Race Face Next SL and Specialized S-Works Road. The Stages Power meter 30mm spindles are specifically designed to meet or exceed the performance of the manufacturer's stock component, while allowing the retro fit of the new carbon Stages Power Meter to a rider's SRAM and Race Face drivetrain. Stages Cycling BB spindles are available in six options: A) SRAM Red 22 BB30 B) SRAM Force 22, Rival 22, Force/Rival CX1 C) 2015MY SRAM BB30 mountain cranks - 9mm spacer* D) 2015MY SRAM BB30 mountain cranks - 15.5mm spacer* E) Race Face Next SL - 168mm q factor F) Specialized S-Works Road - 2017/2018MY G) SRAM DUB MTB * Not compatible with 156mm Q-factor
$70.00
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
Specialized Turbo Road Remote
$69.99
Wolf Tooth ReMote Light Action has a longer lever arm than the standard ReMote and is optimal for dropper posts with a harder pull or for riders that just prefer a really light actuation feel. It reduces the force to actuate a dropper by nearly a third of the standard ReMote. Based on rider feedback and tailored to work with some posts' stiffer internal springs, the ReMote Light Action is also the choice of those with thumb injuries or reduced hand strength. - Upfront cable fixing - Large diameter ball bearing - Cable-kind clamp - Low-profile, light action - Integrated cable adjust - Breakaway axle pivot - High-traction lever - Broad compatibility
$69.99
Wolf Tooth ReMote Light Action has a longer lever arm than the standard ReMote and is optimal for dropper posts with a harder pull or for riders that just prefer a really light actuation feel. It reduces the force to actuate a dropper by nearly a third of the standard ReMote. Based on rider feedback and tailored to work with some posts' stiffer internal springs, the ReMote Light Action is also the choice of those with thumb injuries or reduced hand strength. - Upfront cable fixing - Large diameter ball bearing - Cable-kind clamp - Low-profile, light action - Integrated cable adjust - Breakaway axle pivot - High-traction lever - Broad compatibility
$69.99
Wolf Tooth ReMote Light Action has a longer lever arm than the standard ReMote and is optimal for dropper posts with a harder pull or for riders that just prefer a really light actuation feel. It reduces the force to actuate a dropper by nearly a third of the standard ReMote. Based on rider feedback and tailored to work with some posts' stiffer internal springs, the ReMote Light Action is also the choice of those with thumb injuries or reduced hand strength. - Upfront cable fixing - Large diameter ball bearing - Cable-kind clamp - Low-profile, light action - Integrated cable adjust - Breakaway axle pivot - High-traction lever - Broad compatibility
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