At 5. 5mm, Campagnolo's new 11-Speed Chain is easily Campy's narrowest chain. They call it the "Ultra Shift" chain because of its incredible shift precision. The first thing we notice when pedaling the bike is glorious silence. Less interference from adjacent sprockets and chainrings makes the...

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Don't let drivetrain drag steal those hard-earned watts and instead dial in your drivetrain speed with the smooth spinning UFO Chain KMC 11 Speed. This chain is crafted and optimized by hand in Denmark using race proven techniques and lubes designed to help you go faster with less effort. Two to...

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Cutting Edge Technology|Unparalleled Tensile StrengthNew Shield Tech Riveting|Conquer All TerrainUnparalleled Rigidity & Strength|Exceptional Durability

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Whether you break your Shimano 10-speed chain on accident while out in the wild or on purpose for maintenance, you'll need Shimano 10-Speed Chain Pins to put it back together. Traveling in packs of five, these pins will get you back on the bike quickly with some spares for future chain adventures...

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Keeping uphill gearing on your mountain bike without having to plunk down for a 50+ cog and fancy colors to upgrade your workhorse 10-speed drivetrain is now easier with the Shimano CS-M4100 Cassette. With terrain specific options, the 42-tooth or 46-tooth, you can ride long tempo climbs or have...

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Rider-tuned gear steps and lightweight materials deliver durable shifting performance

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Comfortably smooth and intuitive auto-shifting rear derailleurKeep your focus and enjoy comfortably smooth pedaling with the inspiring and intuitive automatic shifting of the SHIMANO CUES RD-U6070 rear derailleur.

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Over time derailleur pulleys wear out. Either the bearings go bad, or the teeth wear down enough to negatively affect shifting performance. If your bearings are feeling notchy, or the pulley teeth have rounded out, it's in your best interest to replace the pulleys to get the most out of your...

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Shimano's groupsets often often miss call-outs for European elegance or relentless pursuit of weight loss at all cost and innovation for innovation's sake, instead earning their loyal following through the incredible dependability and meticulous engineering of the Dura-Ace CS-R9100 11-Speed...

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Of all that can annoy us on a bike, interrupted shifting makes the top of the list. So, it's a good thing that the Dura-Ace CS-R9200 12-Speed Cassette is here to let us push our limits without having to think about our next gear change. Be it climbs, sprints, or all-out descents, this cassette...

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