Shimano ES300 68 x 121mm Octalink V2 Spline English Bottom Bracket Bike Accessories Brand_Slime A Shimano rear derailleur and

A Shimano rear derailleur and RevoShift grip shifter helps you take control of your ride for smoother

Crank Length: 170mm-44/53cm

Stainless steel construction resists corrosion

making it an excellent choice for triathletes and time trialists seeking exceptional performance without breaking the bank

If you've ever worked with some of the more finicky bicycle brakes

Shimano ES300 68 x 121mm Octalink V2 Spline English Bottom Bracket Bike Accessories Brand_Slime A Shimano rear derailleur andShimano BB ES300 Octalink V2 Bottom Brackets Fits Shimano Octalink V2 Spline Cranksets Crankarm fixing bolts not included Spindle Interface Type: Shimano Octalink V2 BB Shell Width (mm): 68 Bottom Bracket Shell I. D.: 1. 37 Spindle Length: 121 Defined Color: Gray BB Frame Interface: English Weight: 270 grams