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The Shimano Ultegra line brings professional-grade racing technology to the practical, everyday road cyclists. By improving upon the design of the previous Ultegra bottom bracket, Shimano was able to make the 6800 series Ultegra bottom bracket smoother and lighter than previous Ultegra bottom brackets while remaining completely backwards compatible with existing cranksets. The BBR60 bottom bracket weighs in at a mere 77g, a whole 14g lighter than the 6700 bottom bracket which is due in part to the smaller bottom bracket cups. These smaller BB cups require use of the included TL-FC25 adapter to install and remove by simply attaching to your existing bottom bracket tool. The new design also reduces friction by 50% compared to a 6700 bottom bracket by improving upon the seal design. The new 6800 series Ultegra bottom bracket is completely backwards compatible with any Hollowtech II crankset, making it the perfect match for any cyclist.
Reviewed by 1 customer
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Comments about Shimano BBR60 Ultegra Bottom Bracket:
I got this bottom bracket to replace my aging 6700 BB. Wow! I thought the "lower drag seals" was all marketing mumbo jumbo but this bottom bracket operates considerably more smoothly than the one it replaced, even compared to brand new 6700 BBs. The crank now spins multiple times when spun in the frame instead of hardly once. Not that it really feels any different while riding... but every watt helps right? This bottom bracket is also definitely lighter and lower-profile than the older BBs. Looks really nice with the black anodizing.
The best thing about this bottom bracket is the smaller diameter plastic tool used to install it. Because of this, it's impossible to overtorque the bottom bracket, and also the plastic tool protects the aluminum splines from being cut by the tool, so it stays looking good even if you have to move it from frame to frame. Totally recommended for anyone needing a new road Hollowtech II BB.