Shimano ES300 73 x 121mm Octalink V2 Spline English Bottom Bracket Model=38 Lower Leg Assembly 7 A: Top Tube Length

7 A: Top Tube Length (IN) 50 B: Head Tube Length (CM) 5

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Shimano ES300 73 x 121mm Octalink V2 Spline English Bottom Bracket Model=38 Lower Leg Assembly 7 A: Top Tube LengthShimano ES300 73 x 121mm Octalink V2 Spline English Bottom Bracket. Shimano BB ES300 Octalink V2 Bottom BracketsFits Shimano Octalink V2 Spline Cranksets Crankarm fixing bolts not included TECH SPECS Defined Color Gray Bottom Bracket Shell I. D. 1. 37 Spindle Length 121 Spindle Interface Type Shimano Octalink V2 Weight 270 BB Shell Width (mm) 73 BB Frame Interface English