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Parts

Southwest Bicycles | 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!

$149.99
The exceptional comfort and versatility of the Speedplay Comp road pedal derive from its confidence-inspiring and stable platform, offering both value and performance mile after mile for cyclists of all levels. Precise engagement, effortless release, and dual-sided entry with the Easy Tension Cleat deliver ease of use and confidence to the rider. Speedplay is the only pedal system to provide independent fore-aft, left-right, and float adjustability to optimize fit and enhance performance through better biomechanics. Versatile performance defines the advanced Speedplay system. Utilizing this innovative platform, Comp's confident engagement and stable platform provide benefits to riders at every level. - Weight: 224g (per pedal pair) - Spindle Material: Chromoly - Spindle Length: 53mm - Float: 5 to 15º Micro-Adjustable - Cornering Angle: 37º - Bearing: Sealed
$149.99 - $159.99
Trek-compatible seat mast cap Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately. Key features: - Ultra-light carbon construction - One bolt head design offers easy fore-aft and infinite angle adjustment - Compatible with all Trek road bikes with round seat masts - 175mm and 135mm lengths - 5mm and 20mm offsets - Aluminum clamp
$157.99 - $189.99
The Shimano 105 double crankset balances weight and efficiency without sacrificing stiffness. It offers Rider Tuned performance with numerous gear combinations, and the wider gear pitch increases chain clearance with small gearings and allows for as short as 410mm chain stays. - Hollowtech II construction - 11-speed - 110mm Shimano Asymmetric BCD
$149.99
With quicker brake engagement and shorter free stroke, the Shimano Deore BR-M6100 brake set delivers intuitive braking so you can stay focused on the trail ahead. The I-Spec EV shift lever offers a wider adjustment range for superior rider tuning. - Intuitive and powerful braking - Quicker brake engagement with shorter free stroke - Rider tunable and action-optimized cockpit - High-performance brake control - Additional contact point for a stiffer brake lever - 10 deg. rotation angle setting range for I-Spec EV shifting lever - Lever/caliper sets sold individually for front or rear.
$129.99
Shimano's Deore XT Dyna-Sys Rapidfire Shifters live up to the XT tradition. The ergonomic shift levers feature light, crisp action that leads to sharp, definitive shifts. Two-Way Release and Multi-Release ensures you have the control grab gears anyway you like. With the mode-convertible front shifter you can set up the 2x or 3x drivetrain of your dreams using the same shifter set. A removable Optical Gear display offers heads-up monitoring of gear choices, and I-Spec compatibility streamlines your handlebar setup.
$99.99 - $129.99
• Steel construction on all but the largest aluminum gear • Nickel-plated finish for corrosion and wear resistance • Dyna-sys 11-speed cassette with "Rhythm step" gearing for closer gear ratios and smoother shifting performance • Fits Dyna-sys 11-speed and current Shimano 9/10-Speed MTB hubs • The largest cog (40t) is positioned inboard and above the drive-side flange • Hubs with tall drive-side flanges may not be compatible due to spoke interference
$139.99
- Wide pedal-to-shoe contact - Lower platform height for pedaling stability - Integrated cage increases stability and control when not clipped in and protects binding mechanism against impacts - Robust retention claws provide smooth engagement and release - Customize the entry and release tension settings - Strong, durable chrome-molly spindle with 8 mm hex wrench mount - Sealed mechanism - 1.0 mm cleat spacer included - Binding Dual sided - SM-SH51 Cleat included - Cleat retention adjuster - Integrated cage - Cartridge axle - Average weight: 438g - Optional cleat: SM-SH56 - Pedal Type: Off-Road (SPD)
$129.99
• 11-speed DynaSys compatible • Light Shift Operation With 20% Less Effort • Improved chain stability • Efficient Shifting And Smoother Driving • New Shadow Design With Optimized Slant Angle • New Shift Cable With New Hyper Low-Friction Coating Technology • New Shadow Design With Optimized Slant Angle For Stable Gear Position • Easy-To-Adjust Chain Stabilizer • Efficient Pulley Teeth Design • Direct Mount compatible
$129.99
With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience while delivering shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an ON/OFF switch for the chain stabilizer. The RD-RX810 rear derailleur is compatible with road cassettes with a max cog size of 34T. - Adjustable, gravel-tuned chain stabilizer prevents chain slapping and drops - Switch stabilizer ON/OFF to match the terrain - Silent and uninterrupted rear shifting on rough terrain - Low cog: Max. 34T/Min. 30T - High cog: Max. 11T/Min. 11T - Total capacity: 40T - Compatible with current road Dual Control Lever - Maximum front chainring range: 17T
$199.99
When it’s time to update the flagship XTR pedals, we look at every detail under a microscope. Off-road racing demands speed, focus, and control. And that’s exactly what the PD-M9100 delivers. Increased drivetrain efficiency, an intuitive and seamless interface, and predictable steering and traction control are the benchmarks of the M9100 series pedals. The M9100 are the weapon of choice for WC racers worldwide. BETTER MUD CLEARANCE - Cylindrical contact area sheds mud even better for consistent stepping-in & out performance and rider confidence. ADDED EFFICIENCY + DURABILITY - Increased axle strength for long service life. M9100 comes in two axle lengths – 52 mm and 55 mm crank to pedal center. BETTER MUD CLEARANCE - Wider edge-to-edge contact area provides solid shoe-to-pedal interface, transmits power more efficiently for faster and more consistent acceleration, and better bike control.
$154.99
With a focus on reduced weight and cross-country tuned stopping power, Shimano SLX M7100 brakes provide intuitive modulation so that you can explore your limits with confidence. The BL-M7100 levers feature an optimized lever axle position, an additional handlebar contact point for greater stiffness, and refined ergonomics for rider comfort. At the caliper end, the BR-M7100 2-piston caliper provides lightweight braking performance and is combined with quicker piston retraction. - 10% stiffer than previous generation M7000 even under high-temp conditions - Quicker brake engagement with shorter free stroke - Tool-free lever reach adjustment - I-SPEC EV Clamp Band enables optional integrated shifter setup
$174.99 - $186.99
With a focus on reduced weight and cross-country tuned stopping power, Shimano SLX M7120 brakes provide intuitive modulation so that you can explore your limits with confidence. The BL-M7100 levers feature an optimized lever axle position, an additional handlebar contact point for greater stiffness, and refined ergonomics for rider comfort. At the caliper end, the BR-M7120 4-piston caliper is optimized for the toughest enduro trails. - 10% stiffer than previous generation M7000, even under high-temp conditions - Quicker brake engagement with shorter free stroke - Tool-free lever reach adjustment - I-SPEC EV Clamp Band enables optional integrated shifter setup - Includes finned metal pads
$149.99
Shimano's Tiagra Rapidfire Plus Shift Levers offer smooth, easy shifting for bikes with flat bars. The triggers are ergonomically positioned for easy, quick gear changes. Large, visible gear indicators make sure you always know what gear you're in.
$199.99
Shimano Ultegra R8000 pedals. - Pro-level performance and lightweight for the enthusiast - The legacy of Shimano design, quality and performance - Carbon-composite body - Extra-wide platform for a more efficient transfer of power - Adjustable entry and release tension settings - 4mm longer axle available - Low stack height - 0.7mm lower than PD-6800 - Model Number: PD-R8000 - Series: Ultegra - Pedal System: SPD-SL - Average Weight: 248 grams
$119.99 - $129.99
Shimano Ultegra R8000 Shadow rear derailleur. - Sleek integrated appearance - Low-profile design - Race endurance - Optimized slant angle - Wide compatibility - Short cage covers: 11-25T to 11-30T - Medium cage covers: 11-28T to 11-34T - Model Number: RD-R8000 - Series: Ultegra - Maximum Sprocket: 30T - Minimum Sprocket: 11T - Maximum Front Difference: 16T - Average Weight: 200 grams (short cage type), 210 grams (medium cage type)
$179.99
The Shimano Deore XT CS-M8100 12-speed cassette is optimized with rider-tuned wide-range and close step gear combinations for MTB excellence. - Shift ramp designs provide fast and smooth shifts by HYPERGLIDE+ technology - Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security - Designed with a Shimano Micro Spline body that features smaller and more widely distributed splines to limit cog damage on freehub - Cassette Body Type: Shimano Micro Spline - Cassette Cogs: 10-12-14-16-18-21-24-28-33-39-45-51 - Drivetrain Speeds: 12 - Range: 10-51
$189.99
The Deore XT M8100 hydraulic disc brake is designed to provide high performance braking for a variety of MTB riding styles. Includes the brake lever and disc brake caliper. - BL-M8100 features a stiffer brake lever design that provides added support for aggressive riding - Servo Wave Action technology means quicker brake engagement with shorter free stroke - The BR-M8100 2-piston brake caliper is optimized for cross country riding styles - Includes finned metal pads and hose - Brake Caliper Type: Post Mount - Hydraulic Hose Length: 1000mm (Front) / 1700mm (Rear) - Hydraulic Fluid Type: Mineral Oil - Rotor Included: No - Pad Compound: Metallic
$199.99 - $229.99
Designed for the next generation of drivetrains and the next generation of riders. The SRAM Force XG-1270 cassette is optimized for electronic shifting and features our X-Range gearing technology. Smooth, precise shifts, from 10T on up. - Features at least five one-tooth jumps for a smoother gear progression - 10-tooth start helps provide a wider gearing range - Designed to work with an XDR driver body - MINI CLUSTER construction reduces weight and increases durability - All Zipp wheels starting from 2012 are XDR-ready - SRAM Force XG-1270 cassettes sold prior to 2021 have a black finish. In 2021, the design was updated to a nickel-chrome finish.
$179.99
Riders want the derailleur to do its job shifting on command, whether under climbing load or the stage finish. The GX Eagle derailleur gets it done with an updated cage architecture that improves chain management. Refined to work with the new 10-52T cassettes, it's also backward-compatible with 10-50T cassettes for greater versatility and incremental upgrade. It's finished with the new GX Eagle master colorway to complement any cassette and chain colorway a rider wants from the Eagle Colorsystem. - Backward-compatible—works with both 10-50T and newer 10-52T cassettes - Updated cage architecture provides better chain retention and precise shifts
$195.00
The precision and reliability of eTap AXS, now at a whole new level. The Rival eTap AXS front derailleur is optimized for X-Range chainrings and uses Yaw technology, so there's no need for trim. - Wireless electronic eTap shift logic for intuitive shifting, easy setup, and reliability - AXS-enabled for easy personalization - Crisp and accurate front shifts - SRAM Yaw trimless cage technology optimized for use with 46/33T or 48/35T X-Range chainrings - Designed for standard chainline eTap AXS cranks - Battery Not Included
$189.99 - $249.99
The Race Face Atlas crank is the burliest alloy CINCH offering; designed to excel across many disciplines including trail, enduro, DH and freeride. Featuring the versatile CINCH interface for interchangeable spiders, limitless ring combinations, a 30mm alloy spindle and compatibility across all relevant frame standards. - Forged 7050 aluminum alloy arms - Bracing matrix at the back of the crank arms for added stiffness - Industry standard 30mm spline interface - Removable spider offers the ability to convert between existing chainring standards while remaining flexible to future developments - Interchangeable spindle option of the Cinch system allows you to use the same crankset with 68/73mm and 83mm frames, as well as the RF BMX spindle and spider - Spindle diameter: 30mm - Direct mount chainline: 48.5, 55mm (Flipped) - 2X Cinch spider chainline: 47mm - Boost 2X Cinch spider chainline:50mm - Weight: 690g
$150.00 - $175.00
- Affordable hydraulic cartridge height adjustable post with two release options - Aluminum construction with adjustable air preload, 100mm range of height lock - 1-bolt micro-adjustable seat rail clamp, 20mm offset head - Remote model: includes handlebar-mounted remote - 100mm drop - 385mm post length
$49.99 - $140.00
KMC X12 chains feature a double X bridge shape for fast and smooth shifting. - Compatible with SRAM 12-speed systems - Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting - Mushroom riveted pins for the highest pin power and allows shifting under heavy loads - 1/2 x 11/128 - 126 Links
$149.99 - $159.99 $149.99 - $159.99 Up to 6% Off
Comfort without sacrificing power Aeolus Elite brings comfort, power, and speed to road riders looking to dig deep and rotate further forward into a more aero road position. It's the go-to race saddle for both men and women who want to comfortably get the most out of their aero road bike. A shorter overall length with a wider nose and full cut-out ensure targeted support that eliminates soft-tissue pressure. Product details - inForm saddles are born of cutting-edge biomechanical research to maximize performance and rider comfort - Designed to support riders in an Aero Road riding position - Full saddle cut-out minimizes soft-tissue pressure allowing for a more powerful, rotated position - Two sizes designed to align saddle with bone structure for both men and women and avoid soft-tissue compression - Austenite rails are lighter and stronger than hollow Titanium - Lightweight shell provides balance of weight, strength, and compliance - Elite-level trim optimizes foam padding for added lightweight comfort - Available Blendr accessory mounts to cleanly integrate rear light
$125.99
Lock it and drop it Upgrade the look and feel of your MTB XC race cockpit with the DropLock Remote. By combining a dual-suspension lockout remote with an integrated dropper lever, you get a single remote that controls the functions of your suspension and dropper post. For the lockout, a single button controls both the on and off function of front and rear suspension. A single remote that combines a dropper lever with a dual-control suspension lockout for simple operation and clean setup. - Integrated dropper and dual-remote lockout lever for a cleaner cockpit - Single lockout lever controls both on/off - Removeable dropper lever - Compatible with mechanically activated droppers and suspension lockout systems
$199.99
A reliable dropper seatpost with a 3-key chassis design that minimizes shaft play for a post that provides smooth and consistent travel adjustment. GET UP TO GET DOWN The Bontrager Line 31.6 dropper seatpost offers reliable and infinite adjustability within multiple dropping ranges to suit riders of all types. A 3-keyed chassis design provides additional lateral rigidity and minimizes play while a 2-bolt rocker head is perfect for fine-tuning saddle tilt. Line 31.6 is also designed with a shorter overall length, which allows more adjustability and frame compatibility. Need an even shorter drop? Grab a 10mm or 30mm travel reducer spacer. PRODUCT DETAILS - Air-sprung hydraulic locking cartridge offers infinite adjustability within dropping range - 3-key chassis prevents rotation for a stable ride - 2-bolt rocker head with micro adjustment allows for easy saddle tilt adjustment - Shorter overall length [versus previous version] allows more adjustability and compatibility - Fine-tune your fit fast and easy with 10mm and 30mm travel reducer spacers - Lever sold separately. Compatible with Universal Lever, Under Bar Lever, and Elite Under Bar Lever - Internal cable routing keeps housing tucked away and free from moving wheel - Frame must be compatible with internally routed seatpost routing
$125.99
In the race against the clock, Bontrager's Race Lite Clip-On Aerobars S-Bend give you the advantage you need. Adjustable arm rests and extensions allow you to dial in your profile position so you can comfortably stay in a wind-slicing tuck. And the internal cable routing keeps everything out of the wind, nice and neat.
$149.99 - $159.99
A lightweight performance saddle for riders of all genders and disciplines, with a full cutout that delivers targeted support and soft tissue pressure relief. For mountain, for road, for men, for women Our most versatile performance saddle puts you in a power posture for speed and control wherever you ride—and it’s available in an wide range of sizes to ensure you get the fit you need. Verse Elite has Austenite rails that are lighter than Titanium, an inForm design with a full cutout shape for the ultimate in comfort and performance, and a rear-facing Blendr mount for a Flare tail light. Product details - Saddle design supports riders of all genders in a performance riding position on road and mountain bikes - Full saddle cutout minimizes soft tissue pressure for lasting comfort and performance - Austenite rails are lighter and stronger than hollow Titanium - Lightweight shell provides balance of weight, strength, and compliance - Elite-level trim optimizes foam padding for added lightweight comfort - Multiple widths and extended rail clamping area give more fit options - inForm saddles are born of cutting-edge biomechanical research to maximize performance and rider comfort - Available Blendr accessory mounts to cleanly integrate rear light
$199.99
- 2-piece forged alloy crank arms with steel chainring and bolts - Compatible with 10, 11, and 12-speed 1x drivetrain systems - Includes 24mm outboard BB with 3 spacers to fit 73 and 68mm BSA threaded frames - Includes 32T steel 1x chainring - Spindle Type: 24mm - Weight: 946g (w/BB)
$172.00
The carbon Service Course SL seatpost is specifically tuned to be more shock absorbing than the "comfort" seatposts on the market, while still passing our strict internal MTB strength test. Flex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain. Better fit means better performance, and if your saddle is out of position, you'll waste energy with every pedal stroke. The secure, two-bolt clamp makes for easy micro-adjustments of saddle position, and the head has been redesigned for maximum bolt-head accessibility. The Service Course SL seatpost makes it possible for nearly any rider to achieve the perfect fit, and the clamp works with all saddle rail types. - Distinctive Zipp cosmetics - Unidirectional Carbon fiber tuned for ride comfort - Lightweight clamping system - Lifetime warranty
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