Mounted on a Santa Cruz Hightower with a 10/51 configuration and a 32-tooth Chainring, the drivetrain was put to the test in the Vercors, between committed all-mountain and long enduro descents.
The result: "Even at full power on steep slopes, the passage remains ultra-responsive. You feel confident."

The new controller is compact and low-profile in the event of a fall. The control buttons are fully customizableand the ability to program multiple passes with a single click is a real bonus when racing. The fluidity is remarkableboth uphill and downhill, with no jerking or jolting - a real plus over mechanical transmissions.

The rear derailleur impressed us with its compact designbattery integrated batteryand, above all its thickened carbon clevis and solid rollers designed for resist branches and extreme conditions.

"Every detail is designed to reliability. Shimano doesn't any compromise on weight either: we're sticking with pure XTR, designed for competition."

In the field, the Shadow ES stabilization system works wonders: down 1000 m of D-, no noticeable chain lift. L'autonomy is also available.

Compatible with all conventional derailleur hanger brackets and Shimano 12-speed drivetrains, this Groupeets allows you to get the most from your bike. easy migration to wirelesswithout changing cassette or chain (subject to wear).

Bluetooth pairing, whether manual or via the E-Tube application, is easy to use. quick and intuitive. 
Settings? Around 15 to 20 minutes for a complete protocol. Di2 regulars will find their bearings instantly.

Special mention for the new XTR Enduro carbon wheels : "The steering precision is incredible. The slightest pedal stroke is transmitted. A very nice surprise."