BB ALPHA for BSA Shimano RoadProduct description A bottom bracket built to outlast your frame. BB ALPHA features hardened stainless steel races hand built with grade 3 Silicon Nitride ceramic balls, custom engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra low friction performance. The simplified spacer tube design and lighter cups ensure quick installation and a 10% weight reduction over previous generations.

The next generation of carbon fiber braking technology

Lightweight

and cane used as a pivot bearing

UV400 Protection

SEATPOST: Micro-Adjust Alloy

Lightning-fast and reliable shifts

they are also among the lightest cassettes on the market

And with CAGE LOCK™ technology

Lightweight ALUXX frame

Shimano’s SM-SH12 Blue cleats are the answer

performance and lightness

The unique off-center Aquaguard Zipper allows the case to completely open and lay flat when off the bike