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St. Helena Cyclery
Napa Valley Velo

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Bike Parts & Components

RockShox Reverb AXS
$800.00
Our intention with Reverb AXS was inventive and pure: No hoses. No routing. No energy wasted. Not a single thing in the way of the experience. We created a reliable wireless-electronic dropper post and controller that actuates with drastically less effort and zero distraction. Expanding what's possible on a bike, Reverb AXS is enabled by SRAM AXS technology, a new level of interaction, personalization, and connectivity across all AXS-enabled components. - Effortless Electronic-Wireless actuation and infinite height adjustment with a single touch. - Clean, simple and fast to install. No hoses to route, no fishing required. - Updated internals for faster return speed in all conditions. - New Vent Valve Technology, a simple and reliable built in service solution without disassembly of the seatpost. - SRAM AXS technology, a new level of interaction, personalization, and connectivity across all AXS-enabled components. - Includes RockShox AXS handlebar controller, rechargeable SRAM battery, and charger.
SRAM XG-1295 Eagle 12-Speed Cassette
$384.99 - $385.00
The XG-1295 cassette carries with it the X-DOME architecture, which, independent tests have concluded, yields the strongest cassettes on the market. Shifting characteristics improve both inboard and outboard shifting as well as chain retention. - SRAM’s cassette manufacturing technology provides the greatest durability and lightest weight - All-new shifting features create a smoother, quieter system with enhanced inboard and outboard shift performance - XD driver body compatible Cogs - 10 – 50T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 50 - 10 – 52T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 52
Shimano Ultegra Di2 Rear Derailleur
$349.99
Shimano's electric-shifting Ultegra Di2 Rear Derailleur is driven by battery power and its servo motor, so shifts are fast, precise and perfect every time. It's made of light, tough cold-forged aluminum and has the chain-wrap capacity for standard and compact cranksets. Since there aren't any cables or housing to stretch or fail, maintenance is reduced dramatically and durability is increased. This high-tech derailleur is even designed to move inward under impact to reduce the potential for damage in a crash.
Shimano Ultegra R8000 Crankset
$270.99 - $329.99
Shimano Ultegra R8000 crankset. - Optimized lightweight crank arm design produces excellent power transfer efficiency - Minimized weight without sacrificing stiffness - Hollowtech II - Rider tuned gear performance through various gear combinations - Possible to choose the best choice for ride - Redesigned FC for greater frame compatibility - Wider gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O.L.D. 135mm and 410mm chain stay length - Model Number : FC-R8000 - Series: Ultegra - Crank Construction: Hollowtech II - Crank Arm Length : 165, 170, 172.5, 175mm - Bottom Bracket : SM-BBR60/SM-BBR60-PB - Chain Line: 43.5 - Average Weight: 690 grams (53-39T), 681 grams (52-36T), 674 grams (50-34T), 668 grams (46-36T)
Selle SMP Glider
$299.99
Whether you ride off-road or on, Selle SMP's Glider gives you the support you need for all-day epics. The dropped nose design with a large open center channel eliminates pressure on sensitive areas while still allowing full control in all conditions. Plenty of lightweight padding keeps you comfortable while the long rails provide ample fore/aft adjustment for the perfect fit.
Shimano Dura-Ace 9100 SPD-SL Pedals
$299.99
- Excellent Pedaling Efficiency - Optimized Balance Of Weight And Rigidity - Injection Molded Carbon Composite Body - Hollow Cleat Bolt - Efficient Power Transfer - High Stability - Extra-Wide Platform - Efficient Power Transfer/Durability - Reduces Flex And Pedal Body Wear - Stainless Steel Body Plate - Excellent Pedaling Efficiency - Smooth Rotation - 2-Ball Bearing, 1-Wide Roller Bushing - Reliable Durability Performance - Stable And Uniform Load Distribution - Wide Bearing Placement - Rider Tune - Customize The Entry And Release Tension Settings - Adjustable Entry And Release Tension Settings - Shimano 3-Year Limited Warranty - Average Weight: 224g - Shimano SPD-SL cleats included - Standard (52mm) - Wide (56mm)
Shimano Dura-Ace 9100 11-Speed Cassette
$255.99 - $277.99
- Rider Tuned Gearing - Wider Gear Combination: 11 – 28T/12 – 28T/11 – 30T (New Gear Combination) - Closer Gear Combination: 11 – 25T/12 – 25T - Lightweight - CFRP & Alloy Spider Arm, 5 Titanium Sprockets - Gear Combination: 11 – 25T, 11 – 28T, 11 – 30T (New Gear Combination), 12 – 25T, 12 – 28T
Shimano Dura-Ace 11-Speed Cassette
$249.99
Shimano's Dura-Ace 11-speed Cassette is comprised of two aluminum cog carriers, 5 titanium and 6 steel cogs (from largest to smallest respectively). This makes for a super-light and stiff cassette for perfect shifting so you can dance up the climbs as easily and efficiently as your chain climbs up and down these cogs.
Bontrager Aeolus Pro Road Bike Saddle
$229.99
Comfort without sacrificing power Aeolus Pro brings comfort, power, and speed to road riders looking to dig deep and rotate further forward into a more aero position. This uber-light, race-ready saddle was tested and pressure mapped with male and female athletes for the ultimate in proven performance. A shorter overall length with a wider nose and full cut-out ensure targeted support that eliminates soft-tissue pressure for both men and women. 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 - Oversized carbon rails for lightweight strength. Specific seatpost ear clamps required - Lightweight carbon-reinforced shell provides perfect balance of weight, strength, and compliance - Minimal Pro-level padding offers sleek profile that shaves weight - Available Blendr accessory mounts to cleanly integrate rear light
Shimano Claris 8-speed Dual Control Levers
$219.99
Shimano's Claris Dual Control Levers offer smooth shifting and confident braking. The hoods are ergonomically contoured for a comfortable grip and easy access to shifting controls from any handlebar position. Top-view gear indicators ensure you know which gear you're in at all times.
Shimano Ultegra R8000 Pedals
$209.99
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
Speedplay Zero Chromoly w/Walkable Cleats
$199.99
Speedplay's Zero Chromolys are fantastic pedals for road cycling thanks to their low weight, cornering clearance, adjustability and easy dual-sided entry and exit. This means you'll be the first going out of stop signs and start lines and be able to dive into the deepest corners. The Zeros let you choose a fixed cleat position or up to 15-degrees of unimpeded float, or independently adjust the lateral and fore/aft positioning. They boast needle and cartridge bearings and a cleat-based engagement mechanism that ensures you won’t clip out when going hard. - Dual sized, self-locating entry is easy and precise, every time - Large, stable pedaling platform - Fits any shoe with a 3 or 4-hole mount
Shimano Ultegra 6703 Triple Chainring
$18.00 - $189.99
Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.
Fizik Vesta K:ium Saddle
$169.99
Fizik's Vesta is the saddle of choice for women riders of all styles. The Wing Flex shell moves with the rider's pedal stroke, offering unmatched comfort and an exceptional fit. As always, it boasts the features and quality you expect from a Fizik: a Microtex cover with efficiency-enhancing thigh glides, light and strong Kium rails, and supportive, comfortable padding for on-the-road comfort.
Bontrager Aeolus Elite Road Bike Saddle
$149.99
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
Shimano Tiagra Crankset
$139.99
You'll always find the perfect gear with Shimano's Tiagra Crankset. It's crafted from aluminum for low weight and efficient power transfer, while the integrated axle furthers both of those attributes. It shifts positively as well with ramped and pinned SG-X chainrings that boost shifting speed and precision. Options: - Standard Double (52/39) - Compact Double (50/34) - Triple (50/39/30)
Shimano Ultegra R8000 Shadow Rear Derailleur
$94.99 - $139.99
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)
Spank Spike Flat Pedals
$119.00 - $139.99
The original game changer! SPANK Industries' SPIKE Pedals changed the world's concept of the benefits a flat pedal can offer and set the benchmark for top of the line value. The SPIKE Pedal's svelte 12mm thin forged alloy body not only maximizes pedaling clearance, but also grip and stability, by placing the rider's foot closer to the pedal axle. Equipped with forged hollow-tapered chromoly steel axles, SPIKE Pedals offer unmatched ultimate strength at just 420g per set. 20 steel pins in a virtual concavity configuration offer supreme grip without compromising platform thickness. Oversized industrial sealed bearings and IGUS bushings guarantee exceptional durability and performance. Often imitated, the SPIKE's CNC chamfered leading edges deflect impact forces and bring and instantly recognizable edgy aesthetic that always turns heads. - 12mm thin - Massive 100x100mm platform - ±420g/set (with full pin complement) - Cold forged, CNC optimized alloy pedal body - Cold forged chromoly steel axle - Chamfered leading edges for improved clearance and reduced impact forces - Chamfered side edges for improved cornering clearance - Oversized sealed full compliment inboard industrial bearing - Sealed outboard IGUS bushing - 20 adjustable pins per pedal - Full sized hex head pins improve durability and maintenance - Inboard friction seal prevents contamination and reduces unwanted pedal spin
Race Face Aeffect Platform Pedals
$129.99
- Thin platform, concave aluminum body with bottom loading pins. - Shorter spindle design shaves weight. - Thin concave platform - Reduced spindle length saves weight - Hex-head threaded pin design offers more bite for added security - Hidden / Grease access port for extended life - Platform size: 101x100cm - Cartridge bearings and DU bushings - 20 SHCS hex traction pins per pedal
Shimano Deore XT T8000 Explorer Dual-Platform Pedals
$129.99
The Shimano Deore XT Explorer Dual-Platform Pedals combine the efficiency of the SPD system and the convenience of a platform pedal, all in a lightweight package. - One side SPD, one side platform - Two-sided flexibility and performance - Ideal for trekking - Customize the entry and release tension settings - 392 grams - Concave cleat clearance on platform side - High-grip pins - Sealed cup and cone bearings
Shimano PD-M8020 Deore XT Pedals
$129.99
- 11.7% more pedal-to-shoe contact vs. PD-M785 - 3.3mm wider pedal platform vs. PD-M785 - 0.5mm lower platform height than PD-M785 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/release - Adjustable entry and release tension settings - Strong, durable chrome-moly spindle with 8mm hex wrench mount - 408 grams (pair)
Shimano Deore XT M8100 Pedals
$120.00
- Large pedal platform - Lower platform height for pedaling stability - Robust retention claws provide smooth engagement and release - Customize the entry and release tension settings - Strong, durable chrome-moly spindle with 8 mm hex wrench mount - Sealed mechanism - SM-SH51 Cleat included - 1.0 mm cleat spacer included - Binding: Dual sided - Cartridge axle - Cleat retention adjuster - Average weight: 342g - Optional cleat: SM-SH56 - Pedal Type: Off-Road (SPD)
Shimano Deore XT M8120 Pedals
$120.00
- 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)
Shimano Deore XT 11-Speed Cassette
$99.99 - $119.99
• 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
Shimano Deore XT Rear Derailleur
$119.99
• 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
Shimano Ultegra 9-Speed Cassette
$119.99
Shimano's Ultegra 9-Speed Cassette delivers pro-level shifting and durability. The computer-enhanced tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure.
Bontrager Kovee Pro 35 13 Degree Blendr Stem
$114.99
Strong, light, and capable An oversized 35mm clamp diameter MTB stem that offers increased strength and minimal weight The Kovee Pro 35 stem is the perfect centerpiece for cross country race bike. This lightweight stem is optimized for the latest XC mountain bike standard, with a 35mm clamp diameter that combines with a 35mm handlebar to provide a stronger, lighter system. - Oversized 35mm clamp diameter offers increased strength and minimal weight - 6061-T6, 3D, forged alloy construction - Laser-etched calibration marks make dialing in the perfect angle simple and repeatable - Compatible with both Knock Block and standard headsets and spacers - Knock Block system protects frame from impacts from over-rotation of bars and fork crown - Available in a wide range of sizes for today's mountain rider - High-strength, corrosion-resistant steel bolts - Approved for carbon bars
Bontrager Elite Road Pedal Set
$109.99
Bontrager Elite road pedals give you a secure, efficient, confidence-inspiring connection to your bike. They're built with a lightweight and durable composite body, fully adjustable release tension that lets you dial in the feel you want, and sealed cartridge bearings for lasting performance. Compatible with Look Cycle's KÉO brand cleats. Cleats and hardware included. Fine-tuned Release A fully-adjustable tension release bolt lets you dial in or out for the perfect feel. Thread the bolt clockwise to make it harder to release, or counter-clockwise for an easier release. - Compatible with Look Cycle's KÉO brand cleats - Lightweight and durable composite pedal body design - Durable Chromoly spindle for long-lasting durability - Sealed cartridge bearings provide smooth, reliable feel - Adjustable release tension - Includes cleats and mounting hardware - Look and KÉO are trademarks of Look Cycle International. Look Cycle International has not endorsed or approved this pedal - Spindle diameter: 9/16-inch - Weight: 250g
Shimano Deore M6000 Disc Brake Set
$109.99
- Brake Lever Actuation: Hydraulic - Hydraulic Hose Length: 1000 (front), 1700 (rear) - Pad Compound: Resin
Shimano Ultegra 6601 Chainring
$109.99
Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.
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