"shimano iewwu111a di2 wireless transmitter unit"

"Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."

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"CatEye is the leading manufacturer of cycle computers, lights and reflectors to cyclists in the world. Founded in 1954 in Osaka, Japan, CatEye has always been a leader in innovation and technology."

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"Jagwire is the number-one cable and housing brand in the world. You'll find Jagwire cables and housings on Giant, Specialized, Felt, Trek, BMC, Cannondale, Norco, Scott, Globe, KHS, Bianchi, Ridley and hundreds more international brands. Jagwire invites you to take your bike beyond ordinary in a blaze of light, color and texture with our family of integrated control system products. From a rainbow of cable housings and brake pads to stylish shifter mounts, Jagwire helps you transform your ride into a rolling gallery of self-expression."

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"Campagnolo puts all of its professionalism and expertise into the manufacture of its components in Via della Chimica plant in Vicenza. All production takes place exclusively within Campagnolo's own plants, so that product development can be a fully integrated part of the process. Every step in the process, from design and engineering to testing and industrialisation, takes place within Campagnolo facilities. Campagnolo even develops its own tools, machinery and technology so that it can produce only the very best components and wheels for racing bicycles."

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"Elite is a group of people in love with cycling, and has been proposing cutting-edge and technological products for the cycling world for over 30 years"

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"RAVEMEN is derived from our passion for bike riding and concern for bike riders as well as other's safety. Most high-output bike lights on the market have no anti-glare capability, which is dangerous to oncoming traffic, which as a result puts them at great risk."

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"An icon in the mountain bike industry."

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"The perfect light whatever your pursuit"

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"Bicycle use has changed greatly in the last 10 years but we see a bright future in cycling and stay committed to developing products that everyone can understand. MINOURA will continue to enhance product development and planning to keep our 80 year promise of delivering great, well-built products."

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"Our promise is to continually push the boundaries of lighting technology and bring you the most advanced, highest performing bicycle lights available in the world."

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"Ritchey bicycle components have been raced to victory in some of the biggest cycling competitions in the world including the UCI World Championships, the Tour de France and the Olympics and it all began in a simple garage in Menlo Park, California with Tom Ritchey.'

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"Incremental enhancements. Perpetual improvements. Revolutionary Innovation. When advancements are continuously made to every attribute of every component, the result is overall performance that is simply second to none. And to real cycling enthusiasts, there is nothing more gratifying then achieving the ultimate ride. And the best part is we just keep making it better. This is what SRAM is all about."

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"Park Tool has been manufacturing bicycle specific tools since 1963. Based out of St. Paul Minnesota, we are the world's largest bicycle tool manufacturer. A long-term dedication to quality, innovation, and customer service has made Park Tool the first choice of professional and home bicycle mechanics around the world."

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We are a Garmin Authorized Fitness Reseller.

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"Sigma Sport represents German technology at its highest level, combining innovative design with precision engineering."

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"At CycleOps, we want to support your training year-round by providing you with the best trainers, rollers and indoor cycles. Whether you are riding indoors for fitness or are training to win a road race or triathlon, we've got you covered."

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"Planet Bike was born from the heart of a cyclist and our goal is to make innovative, high quality, and practical bicycle accessories. Simply put, we strive to design and develop the best bicycle products in the world."

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Lazer is a leading manufacturer of bike helmets.

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These models are available for online purchasing and can be shipped directly to you.

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Our Lowest Price - This product is ineligible for additional discounts or rebates.

Wireless Speed allows a sensor to transmit the bicycles speed without a cable to the computer.

Computer Color

Some cycling computers can display a power reading, usually in watts. They usually require a separate sensor - in some cases a special hub or crank arm. A few will estimate the value based on speed, cadence, rider weight or other data. "Optional" means it can read from a separate power meter or sensor. "Included" means it is calculated by the computer or includes the neccessary sensor.

This should correspond to the number of cogs on the cassette.

Chainring Teeth

These single chain rings have special properties which help retain the chain on the ring.

Buy this product and your entire order ships for free.

Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.

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