CeramicSpeed BB ALPHA Bottom Bracket - T47 86mm For 24mm/Shimano Spindle Gravel BLK MFPN=SV8-TR-185-A Color Black TPI 60 Weight

Color Black TPI 60 Weight 1300 Defined Color Black ISO Width (mm) 60 ISO Diameter 622 / Road / 29" Tire Intended Use Mountain Tire Diameter 29" Tire Bead Folding Labeled Size 29 x 2

Fits bottom bracket shell widths from 86

Do-it-all tread handles many terrain types and provides predictable cornering ideal for enduro and all-mountain riding TPI 240 Color Black Weight 990 Defined Color Black ISO Width (mm) 60 ISO Diameter 584 / 650b / 27

Textured thumb pad

The new E-MTB optimized design allows full integration with SHIMANO E-Bike Systems and HYPERGLIDE+ drivetrains to unlock entirely new functionality

CeramicSpeed BB ALPHA Bottom Bracket - T47 86mm For 24mm/Shimano Spindle Gravel BLK MFPN=SV8-TR-185-A Color Black TPI 60 WeightA 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 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All