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Parts

Shop Bicycle Parts at AJ's Bikes

AJ's Bikes Parts Catalog has all of the parts you need to make your ride run smoothly. From brakes and levers, to handlebars, pedals and forks, we have the right parts for your Mountain Bike, Road Bike, Children's Bike and more!

Avid BB5 Road Mechanical Disc Brake
On Sale
Perfect for your road, touring or cross bike, Avid's BB5 Road brakes have all the power you need. Used with your road-style levers, they sport precision actuation as well as tool-free pad replacement. Plus, Avid's ingenious Tri-Align caliper-positioning system perfectly aligns the pads parallel to the rotor in seconds for powerful braking with positive modulation in any condition.
Avid BB7 Road SL Mechanical Disc Brake
On Sale
Disc brake power, rim brake weights — at 170-grams per caliper Avid's BB7 Road SL brakes pack a punch in a flyweight package. Used with your road-style, drop bar levers, they provide precision actuation as well as tool-free pad wear adjustment and replacement. Avid's ingenious Tri-Align caliper-positioning system perfectly aligns the pads parallel to the rotor in seconds for powerful braking with positive modulation in any condition. Plus titanium mounting and rotor bolts shave even more grams on this great disc setup.
Chromag HiFi 35
On Sale
Chromag's HiFi V2 stem is light and extremely strong for the ultimate control and performance. The HiFi features a blended shape thanks to 3D forging. Chromag contours every surface for human contact and structural optimization. - 3D forging - 175 grams (35mm length) - Low stack height
Cloud-9 Cruiser Gel Sofa Seat
On Sale
At 12.5 inches long and 11.5 inches wide, Cloud 9's Cruiser Gel Sofa Seat offers plenty of support and awesome comfort. Plus, there's gel foam padding for excellent cushioning and an anatomical cutout for protection. You also get coil springs so you float down the road.
Cloud-9 Cruiser Select Airflow ES
On Sale
Our Cruiser Select series uses our softest materials and provides a dual layer of comfort. We fuse an extra soft gelfoam pad to the top of our multi-stage foam. This combination is soft yet also supportive. The elastomer suspension evens out imperfections in the road and the airflow channel provides perineal relief and cool air circulation. - Select foam - Vented anatomic relief system - Elastomer spring suspension - Dimensions: 11.25 x 9-inch
Cloud-9 Cruiser Select VAR CS Seat
On Sale
Cloud 9's Cruiser Select VAR CS Seat is super comfortable thanks to the multi-stage gel padding, wide 10.5-inch top and a cutout. Plus, there's an elastomer suspension to smooth even the roughest roads so you can enjoy cruising more than ever.
Cloud-9 Sport All-Around
On Sale
- All around enthusiast style seat - Features multi stage foam and an anatomical relief groove for extended comfort - Constructed from water resistant materials - Dimensions: 10.25 x 5.25-inch
ESI Racer's Edge Grips
On Sale
- Lightweight silicone grips that conform to your hand for maximum grip and shock absorption to reduce hand fatigue and arm pump - UV resistant and non-porous, they will not fade or harden - Non-slip grip compound that stays put even when wet - Fit XC: 13
Easton EA90
On Sale
Easton’s lightest aluminum stem is the choice of road racers and top XC pilots alike. The advanced EA90 aluminum tubing and 3D forging process results in a perfect blend of strength and weight. Easton’s patented DST distributes clamping forces more evenly over a larger area, making it the perfect stem for today’s lightweight aluminum and carbon handlebars. - Finish: Black Ano - Weight: 130g (100mm) - Rise: Varies - Clamp diameter: 31.8mm - Steerer: 1 1/8-inch - Length: 80mm, 90mm, 100mm, 110mm, 120mm, 130mm - Materials: EA90 alloy
Garmin Vector 3 Dual-Sensing Power Meter
On Sale
Dual-sensing Pedal-based Power Meter Ride stronger, smarter, connected with the Vector 3 pedal-based power meter. As you strive to beat your personal best on your next race or Gran Fondo, power is the most reliable way to gauge your performance on any given day, at any given time. Unlike other power meters, Vector 3 has the sensors housed right in the pedals, so it delivers reliable, accurate data on every training session. - Installs like any other pedal and quickly transfers between bikes - Measures total power, left/right balance, cadence and cycling dynamics - Sleek design provides greater cornering clearance and improved stack height - Fully integrates with Garmin cycling ecosystem for data analysis - Allows for easy updates via compatible Edge cycling computers, ANT+ connectivity or Bluetooth-enabled fitness devices and Garmin Connect Mobile app - Battery life: up to 120 hours - Cleat hardware included WARNING: The maximum weight limit of the cyclist using the Vector system is 231 lbs (105 kg). Cyclists over this weight limit risk personal injury and property damage. Specifications: - Battery type: LR44/SR44 (x4) - Battery life: up to 120 hours - Weight: 316 g - Max. rider weight: 105 kg - Accuracy: +/- 1.0% - Cleat type: Keo - Q-factor: 53 mm/55 mm with supplied spacing washer - Stack height: 12.2 mm - Field calibration - Adjustable release tension - Garmin Connect - Measurement location: Spindle - Communication: ANT+ and Bluetooth
Gates Carbon Drive CDX Centertrack Belt
On Sale
- Patented carbon cords offer the tensile strength necessary to provide the smooth, greaseless, long-lasting ride advantage of a belt driven system (up to double the life of chains) - Belt is only compatible with Gates CDX CenterTrack cogs and sprockets Sizing - 108T = 1188mm - 111T = 1221mm - 113T = 1243mm - 115T = 1265mm - 118T = 1298mm - 120T = 1320mm - 122T = 1342mm - 125T = 1375mm - 132T = 1452mm - 250T (tandem) = 2000mm
KMC 5-8sp Mountain & Road Chain
On Sale
- Z51: standard bushingless, chamfered plate chain for 5-8 speed - Z30: economy bushing-less chain for 5-8 speed
KMC S1 1/8-inch Chain
On Sale
The KMC S1 is a single-speed chain suitable for use with internally geared hubs, or any single speed drivetrain. - High pin power with reinforced durability - Offers a quieter riding experience - Anti-drop design - Inner plate chamfering helps to provide fast and smooth shifting - Internal gear hub system compatible - Links (links): 112 - Color: Silver - Width: 9.3 mm - Drivetrain Speeds: Single Speed 1/2 x 1/8-inch - Half Link Chain: No
KMC X10e Chain
On Sale
- 1/2" x 11/128" - 136 Links - Built strong for your eBike - EPT anti-rust coating - 10 speed - Compatible with Shimano, SRAM & Campagnolo 10 Speed Systems - Mushroomed Pin Riveted
KMC X9e Chain
On Sale
- Links (links): 136 - Defined Color: Silver - Color: Silver - Designed for ebike: Yes
Origin8 Aero Pro Brake Hoods
On Sale
Replacement brake hoods for Origin8 Pro Force road levers
Origin8 Grip N Seal QR Seat Clamp
On Sale
Origin-8's Grip N Seal QR Seat Clamp is forged from light and durable aluminum and features a rubber weather seal and an anodized finish to prevent corrosion. Its high-leverage quick-release lever makes it easy to raise/lower your seat.
Origin8 Rust Buster Master Link
On Sale
Connecting links for Origin8 chains - Enviromentally friendly coating passes 1000 hour salt spray test
Origin8 Seat Clamp
On Sale
Forged AL6061-T6 alloy construction with CNC groove design - Machined insert for even clamping force - For use with carbon seat posts - Ultra-lightweight
Origin8 SpacerCap Top Cap
On Sale
Integrated spacer and top cap for use with star nuts and standard alloy steerer tubes - Provides a clean and lightweight stem cap solution - 6061-T6 alloy cap with 7075 alloy bolt
Origin8 Thruster 1x Chainring Bolt Set
On Sale
- Chainring bolt sets are available in sets of four or five - Bolts have 5mm hex heads - Inner Length: M8x7.5mm Bolt (x4) / M8x7mm Nut (x4) - Material: Steel - Type: 1x
Origin8 Vise Road Carbon Rim Cartridge Inserts
On Sale
- 55mm brake pad inserts for Origin8 Vise road cartridge brake pads - Advanced carbon rim braking compound provides superior performance in both dry and wet conditions - Automatic toe-in alignment
Origin8 XLT Square Taper BB
On Sale
- Designed for fat tire bikes - Chromoly spindle - Sealed bearings
Planet Bike Road Wrap
On Sale
Planet Bike's Road Wrap is made of a soft, durable material. It also has a raised ridge in the center for a great grip.
Shimano Altus M311-L Crankset
On Sale
Shimano Altus M311 cranksets provide durability and reliable shifting for triple chainring drivetrains. - Hyperdrive SG-X chainrings - 7/8-speed compatible - Spindle interface type: Square Taper JIS
Shimano Deore XT I-Spec Shift Levers
On Sale
• 20% lighter rear shifts • Consistently stable shifting • RD new shadow design with optimized slant design • New shift cable with new hyper low-friction coating technology • Longer lever body • Anti-slip on main lever - Thumb Operation • I-spec II • Model Number : SL-M8000-I • Series : DEORE XT • Shift Lever Type : RAPIDFIRE Plus • Rear speeds : 11-speed • Front Shifting : Front Shifter Available • Instant Release : Yes • Multi Release : Yes • 2-way Release : Yes • Optical Gear Display : NO • Shift Cable Casing : OT-SP41 • Shift Cable : New low friction shift cable
Shimano Dura-Ace 9100 11-Speed Dual Control Levers
On Sale
- Quick And Intuitive Rear Shifting Operation - Shorter Lever Stroke - Redesigned Internal Shifting Unit - Lighter Front Shifting Operation - Redesign Front System With New Front Derailleur - Comfortable Grip And Operation - More Customizable And Precise Lever Position - Expanded Reach Adjustment Range (14 Mm) Mechanical Brake - Consistent Braking Performance In Any Condition
Shimano Tourney TY-300 Rear Derailleur
On Sale
Enjoy quality and reliability with the Shimano Tourney 6/7-speed rear derailleur. It makes use of Shimano SIS, HyperGlide, and Double Servo technologies for smooth, accurate shifts. - Maximum cog size: 34t - Total capacity: 43t
Sunlite ATB/Urban Quill Stem
On Sale
• Forged aluminum • Anodized finish • 2-bolt clamp • 150mm tall
Sunlite Alloy 350mm Pillar Seatpost
On Sale
- Forged aluminum - 7/8-inch seat-clamp diameter - 165 grams
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