CeramicSpeed PF30 MTB Bottom Bracket - 73mm 24mm Spindle Coated Races Black Model=Competition Silver Spokes Box of 100 S Lower IS52 S

S Lower IS52 S

Featuring an SDS (Switch Drive System) driver this hub can be converted from RSD to LSD with ease

Lighter stiffer more precise and easier to maintain

}Light and Motion Tuck Underseat Mount

CeramicSpeed PF30 MTB Bottom Bracket - 73mm 24mm Spindle Coated Races Black Model=Competition Silver Spokes Box of 100 S Lower IS52 SCeramicSpeed PF30 MTB Bottom Bracket 73mm 24mm Spindle Coated Races Black. The CeramicSpeed PF30 bottom bracket offers bearings with extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. TECH SPECS Bottom Bracket Shell I. D. 46 BB Frame Interface PF30 BB Shell Width (mm) 73 Weight 118 Spindle Interface Type Shimano Hollowtech II Defined Color Black