Tripeak 4-in-1 Twist Fit Bottom Bracket, BB30/BB30A/PF30/PF30A, Shimano - Black Prizm - Enhanced Contrast Unique polymer compound helps improve

Unique polymer compound helps improve durability

Tri-Layer insulation and radiant heat reflective technology keep your liquids cool twice as long

and usually fit tighter on the rim

so we won’t compromise for cost

and compact when folded

Tripeak 4-in-1 Twist Fit Bottom Bracket, BB30/BB30A/PF30/PF30A, Shimano - Black Prizm - Enhanced Contrast Unique polymer compound helps improveProduct Description TRIPEAK 4 in 1 Twist Fit Bottom Bracket For BB30 BB30A PF30 PF30A For Shimano Hollowtech II (24mm Spindle) 68~73mm shell width Tripeak 4 in 1 Bottom Bracket for BB30 BB30A PF30 PF30A to Shimano(24mm) Crankset Twist Fit enables you to run Shimano 24mm cranks in a BB30, BB30A, PF30 or PF30A frame. It's available with two bearing options either Steel or Ceramic. It has been well designed and taking into account two main factors both