ROTOR Q Rings BCD110x4 Aero. Q RINGS BCD110x4 oval chainrings compatible with all ROTOR cranks using BCD 110x4 spider or INspider power meter. In addition, these chainrings are also compatible with Shimano Dura-Ace FC-9100 and Ultegra FC-8000 cranks, offering fast and precise shifting, as well as...

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We poured all of our experience in oval Q RINGS development into producing an innovative Round Chainrings solution. Machine CNCd from aeronautic-grade 7055 aluminum, our new look 4-bolt chainrings are compatible with our lightweight ALDHU 3D+ crankset as well as all Shimano 110x4 cranks. 4 bolt...

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Keep your cranks scratch-free while upping your style points with these sleek XC-crank boots. These bumpers slide on to your KAPIC Carbon Cranks to protect them from jagged rocks, roots, and other protrusions. They're low profile and built to stay put while you ride, giving you excellent...

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The ends of your crankarms don't have an easy life. Between rock and root strikes and flying trail debris, the trail is always gunning for them. You can give them a chance to fight back and add a touch of color to coordinate with your bike with the INPower Bumper Set from Rotor. Designed to keep...

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At Interbike this past fall, Rotor finally released its much-anticipated mountain bike cranksets and compatible ovalized chainrings. Rotor took its road-winning technology and parlayed that success into rings that work on the rough trails and surfaces that usually cause stutters in the efficiency...

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You know that sooner or later you're gonna obliterate the bumpers on your crank arms--after all, that's why they're there. Protect those milled alloy appendages with Rotor's RHawk Bumper Set, which lets you re-up on the rubber when a trip down didn't end quite as planned.

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Oval chainrings have a dedicated following, but--kinda like licorice-flavored anything--they aren't for everyone. Rotor made its name with ovalized rings, but the Round Road Inner Chainring is, well, round, so traditional riders can enjoy Rotor's durability without having to leave circularity...

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Rock strikes, over-cooked corners, half-baked lines--we expose our cranks to all manner of abuse during shuttle laps. Protect the crank arms hanging off your glam oval rings with Rotor's RRaptor Bumper Set, which are available in everything from Rat Pack-approved black to every color Queen's...

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The R-Raptor checks all the standard boxes for an all-mountain/enduro crank. Like ROTORs REX cranks, the RRaptor is a work of engineering built on the principles of lightweight and rigid, but RRaptors modular concept offers compatibility that meets and even exceeds current trends in mountain bike...

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Rotor's new Aldhu 3D Crankset brings modularity to a whole new level, reducing the number of pieces you need to dial in your perfect crankset, and the Aldhu Spidering Q Chainring brings you the option of doing so with a cleaner aesthetic, and even fewer parts. The Aldhu Spidering combines two...

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