CeramicSpeed PF4630 Bottom Bracket - Black sweat net Bottom Bracket Shell - 85

Bottom Bracket Shell - 85

Excellent ventilation with 5 air inlets and 8 air outlets Specifications

CNC-machined pin driver threads provide deliberate and consistent pressure for efficient pressing

VNT Elements - Uncompromisingly feather lightweight Stem

Material: Ploy

CeramicSpeed PF4630 Bottom Bracket - Black sweat net Bottom Bracket Shell - 85Specifications Designed for high stiffness, lightweight 30mm spindles and 46mm inner diameter bottom bracket shells. Telescoping spacer and extended cup design enhance frame sealing and system stiffness across varying shell widths. Standard bearings reduce drag by 75% compared to conventional BBs, with just 0. 30. 4 watts of drag per set. Hardened steel races and ceramic balls ensure bearings last at least 3 times longer than typical options. Ships