Shimano 12-speed road

Available in 34 and 36 teeth

For 105, Ultegra and Di2 road shifters

WH-RS370

Single chainring: 40 or 42 teeth

50, 52 or 54

Economy format

Max. sprocket teeth: 45

Compatible with 11 and 12-speed cassettes

1397 g – 32 mm profile – Tubeless Ready

Compatible with Shimano GRX Di2 RX825 drivetrain - Optimised for gravel riding

The ultimate in versatility

New model

Excellent value for money

Complete groupset

Between 4 and 8 watts saved - With quick-link

Between 4 and 8 watts saved - With quick release

Saves between 4 and 8 watts - Includes quick-release fastener

Enables derailleur mounting

Compatible with 10- and 11-speed cassettes

Compatible with hydraulic disc brakes and 12-speed mechanical drivetrains

Carbon wheel - 60 mm profile

Genuine spare part

Compatible with hydraulic disc brakes and 12-speed mechanical drivetrain

Original Dura Ace 12v spare part

With quick-release link

Compatible with all speeds

Gravel and All-road use - Supplied with rear brake caliper

12v left lever with front hydraulic brake caliper

12v right-hand lever with front hydraulic disc brake caliper

Compatible with all Shimano 12-speed road cassettes

Gravel drivetrain

12-speed Gravel transmission

Compatible cassette: 9–45 teeth