Profile 19mm Spline-Drive Sprocket Gear Size:30T CRANK REQUIREMENT: For use on

CRANK REQUIREMENT: For use on 2-pc or 3-pc cranks with 48 splined 19mm spindles such as Profile cranks

The Answer BMX carbon Pivotal seat post features a full carbon post and an aluminum Pivotal seat attachment

A much-upgraded bottom bracket that features machined tool slots so the tool will not scratch your BB

aerospace quality billet aluminum

STYLE: Tripod design for "Tripod" seats with 3 point mounting system

Profile 19mm Spline-Drive Sprocket Gear Size:30T CRANK REQUIREMENT: For use onSPECS: MATERIAL: CNC machined in the U. S. A. from 6061 series aluminum FIT: 48 splined 19mm spindles CHAIN FIT: 1 8" BOLT REQUIREMENT: No bolt required. Fits directly onto splined spindle with no bolts required. CRANK REQUIREMENT: For use on 2 pc or 3 pc cranks with 48 splined 19mm spindles (Profile race and No Boss cranks for example). Weight: 2. 8oz 79. 38g (25T)