Shimano ES300 68 x 121mm Octalink V2 Spline English Bottom Bracket Width (IN)-2.4 25x7 Lock Type Key Primary

25x7 Lock Type Key Primary Color White Internal Lock Size Metric 83x178mm Thickness In mm 13mm

See photos above as installation guide

Four years later

Short compact Stubby screwdriver for working in confined spaces

Campagnolo Chain Links and Pins Drivetrain Speeds 11 keyword search masterlink Reusable No

Shimano ES300 68 x 121mm Octalink V2 Spline English Bottom Bracket Width (IN)-2.4 25x7 Lock Type Key PrimaryShimano BB ES300 Octalink V2 Bottom BracketsFits Shimano Octalink V2 Spline Cranksets Crankarm fixing bolts not included Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 270 Spindle Interface Type Shimano Octalink V2 Spindle Length 121 Defined Color Gray Size 68Mm X 121Mm Interface English