Full Speed Ahead MegaExo Stainless Road Bottom Bracket Direct BBRight Frames Weight-700g X-Range gearing technology gives you

X-Range gearing technology gives you more range and a smoother gear progression so you’re always in the right gear

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Manual open and close mechanism

Steel Crank Bolts

Full Speed Ahead MegaExo Stainless Road Bottom Bracket Direct BBRight Frames Weight-700g X-Range gearing technology gives youFull Speed Ahead MegaExo Stainless Road Bottom Bracket for Direct BBRight Frames. FSA MegaExo Bottom Brackets TECH SPECS Bottom Bracket Shell I. D. 46 BB Frame Interface BBright Direct Fit BB Shell Width (mm) 79 BB Shell Width (mm) 84. 5 Weight 50 Spindle Interface Type FSA MegaExo Spindle Interface Type Shimano Hollowtech II Defined Color Black