Interloc QB55 JIS Bottom Bracket MFPN=99791 Offers total independency of circuits

Offers total independency of circuits between the front and rear calipers for safe operation

42 BB/Frame Interface BB30a BB Shell Width (mm) 73 Weight 119 Spindle Interface Type Shimano Hollowtech II Defined Color Black

Bolt Mount Diameter 8 Frame Mount Width 21

Black/Black

Interloc QB55 JIS Bottom Bracket MFPN=99791 Offers total independency of circuitsHigh quality sealed cartridge bearings with steel cups Traditional square JIS 2 degree taper crank arm interface 68mm English (BC1. 37 x 24tpi RH LH) Made in Japan Model QB55 Spindle Interface JIS Square Shell BSA Shell ID 33. 6mmx24tpi Width 68mm Spindle Length 103mm, 107mm, 110mm, 113mm, 115mm, 118mm, 122mm, 127. 5mm