Hope Tech 4 X2 Disc Brake - Front - Right Lever - Black - Black PDP|PLP|Brake Rotor Type If you have a BB30

If you have a BB30 crankset (30mm diameter Aluminum Spindle) the measurement in the spindle picture will determine whether it is a long or short spindle

-Problem Solvers Seatpost Shims are not intended for use with carbon seatposts

Air Support™ Light Back Panel: Designed with body mapping technology for efficient ventilation and lightweight comfort

Hub compatibility: Compatible with all E-Thirteen rear hubs

Hope Tech 4 X2 Disc Brake - Front - Right Lever - Black - Black PDP|PLP|Brake Rotor Type If you have a BB30The all new Tech 4 X2 builds on Hope's 25+ years of experience designing and manufacturing hydraulic brake systems. The Tech 4 uses all new internal sealing for reduced friction and the pivot spins on roller bearings, allowing the spring rate to be reduced. The lower spring rate gives a lighter lever action, reducing rider fatigue and keeping our legendary feel and modulation. Combine this with the updated X2 Postmount caliper for a super lightweight