Shimano 105 105 ST-R7120-R Shift/Brake Lever BR-R7170 Hydraulic Disc Brake Caliper - Right/Rear 12-Speed Flat Mount BLK CheckoutSpec= Standard Shaft Eyelet 67.5mm EA90 alloy crank arms are

EA90 alloy crank arms are lightweight and feature a matte black anodized finish

8 Bolt Mount Diameter 3/8"

Spring Weight 350+

Large shoe/pedal contact area for maximum power transfer and stability

40mm installed diameter

Shimano 105 105 ST-R7120-R Shift/Brake Lever BR-R7170 Hydraulic Disc Brake Caliper - Right/Rear 12-Speed Flat Mount BLK CheckoutSpec= Standard Shaft Eyelet 67.5mm EA90 alloy crank arms areShimano 105 105 ST R7120 R Shift Brake Lever with BR R7170 Hydraulic Disc Brake Caliper Right Rear 12 Speed Flat Mount Black. Shimano 105 ST R7120 Dual Control Levers feature a revised lever position and bracket shape developed using data from a broad study of different hand shapes. Shifting is quick and intuitive to provide cyclists what is expected from Shimano 105. Thats combined with the all condition confidence of a BR R7170 flat mount hydraulic