SRAM Rival E1 Aero Road Hydraulic Disc Brake Rear Flat mount Black MFPN=100002047 Mount Compatibility 104mm 4-bolt Teeth

Mount Compatibility 104mm 4-bolt Teeth 39T Type Material 6061AL Spec 3/32 Color Black Chain Compatiblity 1sp Tooth Type Standard Weight Offset

Model Blinder Mini Cross Rear Lumens 50 Modes 8 Rechargeable Yes Color Black Weight 17g

From Hestra (summary)

Other cockpit accessories

Works on most standard dropouts Color Black Front Axle Type 9mm Thru Weight 58

SRAM Rival E1 Aero Road Hydraulic Disc Brake Rear Flat mount Black MFPN=100002047 Mount Compatibility 104mm 4-bolt TeethThe power and control of hydraulic disc brakes comes to Rival, in a perfect package for TT tri. These brakes bring all the power with low effort so you stay fresh for your effort. Optimized power and modulation for triathlon and time trial Reach Adjust to personalize fit for more hand sizes SRAM Model ID: DB RIV AERO E1 TECH SPECS Fluid DOT 5. 1 Caliper mount Flat mount Hydraulic Hose Length 2000mm Lever Blade Material Carbon Position Rear Primary