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traction and rolling speed across varied surfaces
Included bicycle handlebar mount accessory
Pin variant: Hollow Pin
Bumpers: Bumpers fitted in key area to protect foot
Upper material: Synthetic
FSA BB-9920 Platinum ISIS Splined Bottom Bracket Size:68 x 113mm traction and rolling speed acrossFSA BB 9920 Platinum ISIS Splined Bottom Bracket The FSA BB 9920 Platinum ISIS bottom bracket is a dependable and durable unit designed for use with ISIS Drive splined cranksets. Built with high quality materials and precision engineering, it delivers excellent stiffness and smooth rotation for efficient power transfer. A forged hollow chromoly steel spindle provides strength while keeping weight low, while the integrated large ball bearing design
