Among the many bottom bracket standards in the bike industry is BB86. Where a typical road bike has a 68 or 70mm bottom bracket shell width, a BB86 equipped bike has a shell that measures 86. 5mm wide. This gives frame designers a little more room to get creative with frame design and improve...

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Get confident braking power with the Shimano SLX SM-RT70 Centerlock Rotor. Designed to combat heat buildup and featuring an alloy centerpiece, this rotor brings durable, reliable speed modulation to the steepest trails and hardest corners.

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Shimano's SM-RT64 Centerlock Rotor comes from their trusted Deore series, which prepares riders to take on everything from cross country riding to shredding your favorite singletrack. The SM-RT64 delivers braking performance for rides when the sun is shining, but also when a few surprise showers...

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SHIMANO's SM-RT64 disc brake rotors deliver powerful and consistent braking performance in all riding conditions. SHIMANO's CENTER LOCK mounting system makes installing and removing disc brake rotors quick and easy, thanks to the spline mount and lock ring design.

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XT SM-RT81 Centerlock Rotor Lockring

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Designed to keep your braking system cool on long, demanding descents, the XTR RT-MT900 Centerlock Disc Rotor rapidly dissipates heat for more consistent braking performance in extreme conditions, as well as longer pad life and reduced brake fade. These rotors are optimized for the XTR M9100 and...

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