Shimano ES300 68 x 126mm Octalink V2 Spline English Bottom Bracket CheckoutTitle=Wheels Manufacturing BB30A Frame to GXP Spindle Outboard Thread Together Bottom Bracket Rotor Mount Center Lock Hub

Rotor Mount Center Lock Hub Spacing 148mm Position Rear Primary Color Green Hub Weight 227g Hub Drilling 24H Freehub Body Shimano Micro Spline Axle Type 12mm TA Hub Spoke Type J-bend

Flight Attendant features include fork-only update for hardtail bikes Launch Control and customizable Auto Mode to disable "Pedal" or "Lock" positions

Tooth Count 42 Ring Position/Type Chain Retaining Single Ring Drivetrain Speeds 12 Chainring BCD 107 Color Black Defined Color Black Material Aluminum

Comfortable and self-adhesive

Shimano ES300 68 x 126mm Octalink V2 Spline English Bottom Bracket CheckoutTitle=Wheels Manufacturing BB30A Frame to GXP Spindle Outboard Thread Together Bottom Bracket Rotor Mount Center Lock HubShimano BB ES300 Octalink V2 Bottom BracketsFits Shimano Octalink V2 Spline Cranksets Crankarm fixing bolts not included Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 270 Spindle Interface Type Shimano Octalink V2 Spindle Length 126 Defined Color Gray Size 68Mm X 126Mm Interface English