CeramicSpeed Pulley Wheels Shimano 11-Speed - 12 Tooth Narrow Wide Alloy BLK MFPN=8030819393767 Remove adapter to fit older

Remove adapter to fit older Pedros grease tubes and other tubes

42 BB/Frame Interface BB30 BB Shell Width (mm) 83 Spindle Interface Type SRAM DUB Defined Color Black

CNC machined in Canada from 6061 billet aluminum

The Kwick Nine 29'er also features K-Shield (KS) flat protection for worry free urban adventures

CeramicSpeed Pulley Wheels Shimano 11-Speed - 12 Tooth Narrow Wide Alloy BLK MFPN=8030819393767 Remove adapter to fit olderCeramicSpeed pulley wheels reduce friction last 3 5 time longer than stock high end pulleys and are designed to work with less drag. Premium Grade 3 Silicon Nitride Ceramic balls Hand built in Denmark Drivetrain Speeds 11 Fits Brand Shimano