SRAM BB30 / BBright Direct Fit Bottom Bracket MFPN=4002 made from ceramic-coated carbon

made from ceramic-coated carbon

The Lezyne Macro HV high-performance air pump features a steel barrel and piston with a composite matrix base ensuring durability

V shaped tread pattern custom design for precise grip and high speed acceleration

10-tooth start helps provide a wider gearing range

X-Range gearing technology gives you more range and a smoother gear progression so you're always in the right gear Tooth Count 38 Drivetrain Speeds 12 Round or Oval Round Defined Color Black Direct Mount Type Direct Mount SRAM 8-Bolt Size 38T

SRAM BB30 / BBright Direct Fit Bottom Bracket MFPN=4002 made from ceramic-coated carbonNon Threaded bottom brackets for SRAM and Truvativ cranksets. Engineered with the right materials for the application including sealed cartridge bearings. Bottom Bracket Shell I. D. 42 BB Frame Interface BBright Direct Fit BB Shell Width (mm) 79 Weight 61 Spindle Interface Type BB30 PF30 Defined Color Black