Shimano Ultegra ST-R8170F Di2 Shift/Brake Lever BR-R8170 Hydraulic Disc Brake Caliper - Right/Rear 12-Speed Flat Mount BLK MPFN-DROPOUT-500 1" option uses a 26

1" option uses a 26

8mm width 760mm up/back sweep 0/9 deg material carbon color team stealth weight 125g

5" and 29” versions Flat Protection Tread and Sidewall Color Black Defined Color Black ISO Width (mm) 30 ISO Diameter 622 / Road / 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 30 Tire Type Tubeless Ready Clincher PSI 60 / 80

5 Weight 121 Color Carbon Material Carbon Length 90 Bar Clamp Diameter (mm) 31

Constructed with UD carbon and M5 alloy hardware for strength and minimal weight

Shimano Ultegra ST-R8170F Di2 Shift/Brake Lever BR-R8170 Hydraulic Disc Brake Caliper - Right/Rear 12-Speed Flat Mount BLK MPFN-DROPOUT-500 1" option uses a 26Your time on the bike is precious let Shimano make it even better. Ultegra ST R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. The BR R8170 hydraulic 2 piston disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial