Hope Tech 4 Evo GR4 Disc Brake, Right/Rear, 74mm, Black BMX Cranksets and Cannondale Si crank spindle

and Cannondale Si crank spindle spacer set

EAN: 4715910039113

and power cable to complete the system All Di2 components on the bicycle require the same firmware version

it enables cyclists not only to maintain their hubs without special tools

120151-Q0-L

Hope Tech 4 Evo GR4 Disc Brake, Right/Rear, 74mm, Black BMX Cranksets and Cannondale Si crank spindleFour piston gravity brake for the most demanding applications. Gravity and e bike use recommended. Delivers maximum power with no compromise while super smooth lever action and premium construction make controlling the power feel natural Tech 4 Evo levers allow reach and bite point adjustment and feature a new cam design that decreases free lever stroke while maintaining the feel and modulation in the braking zone Exchangeable EVO lever blades feature