Rotor UBB4630 Bottom Bracket for 30mm Spindles in PF30 Frames, Steel Bearings, Black Apparel_men;s cycling tights Flip-up connector bolts hold the

Flip-up connector bolts hold the top cover in place

Lazer Grip

Lenox's carry arms fold downward

The NV Base 2

Size: 700x23-25

Rotor UBB4630 Bottom Bracket for 30mm Spindles in PF30 Frames, Steel Bearings, Black Apparel_men;s cycling tights Flip-up connector bolts hold theThe UBB4630 bottom bracket is designed to accommodate any PF30, BBRight or 386 EVO standard, to work with a 30mm spindle crankset. Double sealed bearings elevate durability Precise steel bearings keep your cranks spinning smoothly 30mm spindle interface bridges the gap for bigger axles PF30 cups press securely in your frame Spindle Interface Type: BB30 PF30 BB Shell Width (mm): 68 , 73 Bottom Bracket Shell I. D.: 46 BB Frame Interface: PF30 Defined