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> Bicycling > Specials > Parts

Specials

25 Results
Bontrager Affinity Comp Gel Saddle
$19.99
$99.99

Enjoy comfortable performance during long days on the bike with the Affinity Comp Gel saddle. The CRZ cutout enhances soft tissue protection, and gel padding promises sustained comfort. - Performance Posture 3 for pelvic rotation with a balance of comfort and efficiency - Soft cushion gel padding… [more]

Bontrager Affinity Comp Saddle
$29.99
$79.99

The Affinity Comp saddle provides the comfort and performance of inForm Biodynamic design with a recessed saddle cavity that eases pressure on soft tissue. Performance Posture Three riders will appreciate added compliance from the saddle's unique channel flex design and the practical comfort it… [more]

Bontrager Ajna Comp Women's Saddle
$49.99 - $79.99
$79.99

The Ajna Comp is the cutout saddle that every female rider can appreciate. Built to be at home on either your road or mountain bike in an aggressive Posture 2 position, the Ajna's shape offers increased stability at the nose and better pressure distribution throughout. Designed for a more… [more]

Bontrager Ajna Elite Women's Saddle
$79.99 - $129.99
$129.99

The Ajna Elite is the cutout saddle that every serious female rider can appreciate. Built to be at home on either your road or mountain bike in an aggressive Posture 2 position, the Ajna's shape offers increased stability at the nose and better pressure distribution throughout. Key features: - An… [more]

Bontrager Ajna Pro Carbon Women's Saddle
$139.99 - $199.99
$199.99

The Ajna Pro Carbon is the cutout saddle that every serious female athlete can appreciate. Built to be at home on either your road or mountain bike in an aggressive Posture 2 position, the Ajna's shape offers increased stability at the nose and better pressure distribution throughout. Carbon rails… [more]

Bontrager Evoke RL WSD Saddle - Women's
$83.99 - $119.99
$119.99

Boasting hollow-titanium rails and a carbon fiber reinforced base, Bontrager's Evoke RL hits the cross country sweet spot of low weight and epic ride comfort. A narrow rear profile makes it easy to slip off the back during steeps, and a wide nose helps you steer with your thighs when the trail gets… [more]

Bontrager Kovee Comp Saddle
$29.99
$79.99

The Kovee Comp offers unobstructed movement around the saddle during challenging rides where performance is just as essential as comfort. The durable design stands up to the rigors of the ride with a unique shape that gives confidence for both seated pedaling and out-of-saddle descents. Key… [more]

Bontrager Pro Blendr Stem
$87.99 - $114.99
$114.99

The smarter upgrade Outfit your road bike with the Pro Blendr stem to provide confident handling and integrated accessory capability. The forged alloy construction means you'll get the stiffness you demand but in a weight that'll make others jealous. - Pro-level quality 31.8mm clamp diameter stem… [more]

Look Keo 2 Max ..
$149.99
$179.99

From the company that pioneered clipless pedal technology come the Tour de France-winning Keo 2 Max pedals. They feature composite bodies with stainless-steel platforms for low weight, easy entry and exit and exceptional durability. The wide contact area and the low-profile design place you closer… [more]

Look Keo Easy
$59.99
$69.99
Product Rating
 
4.0 stars
 (1 Review)

Ride with the ease of clipless pedals with Look's Keo Easy pedals. They boast wide contact areas for easy entry/exit and excellent efficiency so that all your energy goes into forward motion. The Keo Easys are made from durable and light composite materials. [more]

Look Quartz
$49.99
$99.99

Look brings decades of clipless pedal experience to the off-road world with their Quartz pedals. These fine pedals boast smooth engagement for easy entry/exit and wide contact areas for excellent comfort and efficient pedaling. They're made from durable composite materials and feature dual… [more]

Shimano Dura-Ace SPD-SL Pedals
$199.99
$279.99

Shimano's Dura-Ace SPD-SL Pedals boast world-class entry and exit and extra-wide stainless-steel plated carbon composite platforms for amazing lateral stability, unmatched pedaling power and exceptional durability. These lightweight, low-profile pedals provide a natural feel, and they hang… [more]

Shimano PD-A530 Pedals
$59.99
$79.99
Product Rating
 
4.0 stars
 (3 Reviews)

Shimano's PD-A530 Pedals are versatile Jekyll and Hyde pedals that are great on any bike. One side is flat so you can do quick rides with any shoes, and the other is SPD compatible for clipping in and efficient pedaling. Of course, they feature the durable, all-weather sealed cartridge bearings and… [more]

Shimano PD-A600 SPD Pedals
$99.99
$139.99
Product Rating
 
5.0 stars
 (1 Review)

Get the secure feeling of a large surface area with Shimano's PD-A600 SPD Pedals! Wide platforms efficiently transfer power from your shoes to the drivetrain even with SPD shoes, and when you're going uphill, the low weight won't hold you back. For longevity and adjustability, they feature the… [more]

Shimano PD-M540 Pedals
$69.99
$79.99
Product Rating
 
4.5 stars
 (2 Reviews)

Shimano's M540s are race-ready clipless pedals that don't require a team budget. These rugged, light beauties feature dual-sided Shimano SPD bindings that are easy to enter and exit and deliver excellent power transfer and maneuverability. The bindings are adjustable for dialing in the perfect… [more]

Shimano PD-M647 Pedals
$89.99
$139.99

Shimano's M647s are bear trap-style bad boys perfect for BMX, downhill, dual-slalom, freeriding, even technical cross-country. They feature a combination of dual-sided, pop-up Shimano SPD bindings for quick and easy entry and grippy platforms that hold your feet firmly when you don't have time to… [more]

Shimano PD-M8000 Deore XT Pedals
$89.99
$119.99

• 7.7% more pedal-to-shoe contact vs. PD-M780 • 2.8mm wider pedal platform vs. PD-M780 • Mud shedding offset binding design • 0.5mm lower platform height than PD-M780 for pedaling stability • Robust retention claws provide smooth engagement/release • Adjustable entry and release tension settings •… [more]

Shimano PD-M8020 Deore XT Pedals
$89.99
$119.99

• 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… [more]

Shimano PD-M9000 XTR Pedals
$124.99
$179.99

• Wide pedal-to-shoe contact area • Wider bearing placement for increased rigidity • Slimmer, lighter axle • Low platform height for pedaling stability • Lightweight: 310g pair • Oval shape axle body housing for smoother mud & debris flow • Slimmer axle unit increases open space between bindings •… [more]

Shimano PD-M9020 XTR Pedals
$124.99
$179.99
Product Rating
 
5.0 stars
 (1 Review)

• Extremely wide pedal-to-shoe contact area • Wide pedal platform for more pedaling stability • Wider bearing placement for increased rigidity • Increases stability and control when not clipped in • Protects binding mechanism against impacts • Oval shape axle body housing for smoother mud & debris… [more]

Shimano PD-R550 SPD-SL Pedals
$79.99
$99.99

Shimano's PD-R550 SPD-SL Pedals offer wide, stable platforms for great support and stability when you're out on the road. An extra-wide platform maximizes power transfer. Durable stainless steel tread plates reduce flex and pedal body wear. Wide bearing placement provides uniform load distribution… [more]

Shimano Ultegra 11-Speed Rear Derailleur
$54.99 - $89.99
$83.99 - $89.99

Shimano's Ultegra Rear Derailleur delivers category-defining 11-speed shifting. At the heart of the derailleur is a light, tough, cold-forged-aluminum body with a wide, rigid pivot design that maximizes shifting speed and equalizes shift effort across the cassette. Smooth-spinning pulleys use… [more]

Shimano Ultegra SPD-SL Pedals
$139.99
$199.99
Product Rating
 
5.0 stars
 (5 Reviews)

Power transfer begins at the pedals, and Shimano's Ultegra Pedals boast Pro Tour-proven tech to make the most of your riding. Composite bodies are light and extra wide, maximizing your efficiency and reducing power-stealing flex. Stainless steel tread plates improve pedal body durability for miles… [more]

Shimano XTR 9-Speed Cassette
$259.99
$319.99

With the XTR 9-Speed Cassette, you can always count on reliable shifting. The 4 largest cogs are made of titanium and mounted on an aluminum carrier for increased rigidity and significant weight savings. Shimano's Hyperglide computer-designed ramps and tooth profiles ensure quick and accurate… [more]

SRAM PG-1130 11-Speed Cassette
$44.99 - $88.00
$64.00 - $88.00

SRAM's PG-1130 11-Speed Cassette is constructed of heat-treated steel cogs and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick, positive gear changes. This excellent cassette also sports an aluminum spider construction for a maximum stiffness-to-weight ratio, a durable steel… [more]

25 Results
 
Chain Reaction Bicycles is your local bicycle shop for the San Francisco Bay Area! Unlike some other shops, we are dedicated 100% to serving the needs of local cyclists; our offerings are exclusively available for in-store pickup. You will find us at 1451 El Camino Real, Redwood City CA, 94063. 650 366 7130. Our Los Altos location closed on September 24th, 2017; we have consolidated all operations within our Redwood City flagship store.  Our hours and directions may be found here. We look forward to taking care of all of your cycling needs, including service! Mike & Steve Jacoubowsky, Partners, Chain Reaction Bicycles. Serving you since 1980!