ROTOR PF4130 Bottom Bracket - Black BIKESPORTZ MIPS is a brain protection

MIPS is a brain protection system — engineered to add 10% extra safety to the standard construction of helmets in case of certain impacts

Abrasion resistance is 2

while V-Guard puncture protection provides reliable defence against cuts and road debris without sacrificing performance

5mm in 68mm wide shell

ROTOR PF4130 Bottom Bracket - Black BIKESPORTZ MIPS is a brain protectionThe Press Fit 4130 will easily accommodate your handpicked rig with its press fit, 41mm diameter with 30mm axle BB shell. The PF4130 Steel option is the best choice regarding quality price durability ratio. For those who seek the maximum demand with minimum friction, improving efficiency and saving a few watts, while saving a few grams of weight, our PF4130 Ceramic is their bottom bracket. Specifications Designed to work with BB86 Dual track bearings