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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Valve Type: Presta
Helmet Type Half Shell
The upper’s seamless unibody construction reduces pressure points
Top-Normal spring type_W servo :âœâ€
Anti-slip silicone bands
CeramicSpeed PF4630 Bottom Bracket - Black Size:Standard Valve Type: PrestaSpecifications 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
