SRAM BB30 Bottom Bracket S3-Size-15-20mm Since 1988 Finish Line has

Since 1988 Finish Line has innovated two new generations of chain cleaners

Instantly seals up to 3 mm punctures in the tread

The tyre also features a 120tpi nylon casing for added puncture protection and maximum security

20X110 boost

SRAM BB30 Bottom Bracket S3-Size-15-20mm Since 1988 Finish Line hasSRAM BB30 BOTTOM BRACKET BB30 named for its required spindle size narrows Q factor, increases ankle clearance, and ups bearing durability. Along with a 30 mm spindle, it requires an oversized 68mm or 73mm bottom bracket shell and PressFit bearings held in place by snap rings. SPECIFICATIONS Bottom Bracket Frame Interface BB30 Type (Bearing) Standard Spindle Diameter 30mm FEATURES 30mm alloy spindle Larger bearings for longer life 40x30x7 larger