BB ALPHA for T47/86 SRAM DUB 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.

Platform Size: 113x105x18mm

The 2X chainrings installation scheme with Cover

giving you more options to train indoors

confident ride quality on smooth or bumpy roads and paths

it's updated to be even lighter

Fits most bikes

The KMC X-Series has been designed with the specific characteristics of the Shimano

Tektro HDC M275

Weight: 90g

16 pins per side

improves comfort and performance

Brightness - Up to 400 lumens front