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Whether you're navigating rugged trails or cruising through challenging terrains
Enduro or ALL mountain rides
Do-it-all tread handles many terrain types and provides predictable cornering ideal for enduro and all-mountain riding
This easy-to-use
RDY for enhanced wind protection
CeramicSpeed BB ALPHA Bottom Bracket - PF30 73mm For 24mm/Shimano Spindle MTB BLK Model=GRX ST-RX815 Di2 Whether you're navigating rugged trailsA 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
