Shimano 9-speed

50/34, 52/36 or 54/40, 24 mm axle

Left DI2 hydraulic brake lever, Flat Mount front caliper

DI2 lever, hydraulic braking, Flat Mount caliper

Left lever, for double chainring and 12-speed drivetrain, rim brakes

Right-hand shifter, 12-speed drivetrain, rim brakes

12-speed, medium cage, wireless in hydraulic brake version

Double chainring, wireless drivetrain with ST-R8170 shifters

12-speed, 11-speed compatible

3 ports, compatible with SD-300 cables only

400/500/600/1000/1200mm

New charger for Shimano 12-speed groupset and internal battery

Lever, front caliper and hose set

12-speed, 11/30 and 11/34, from 291 to 345g

Thru-axle mount, rear brake caliper

Direct Mount attachment on rear seat stays

Front brake, max. 28mm tyre

Display model at a bargain price - 1995g

For extending a 12-speed Di2 cable

Medium inner cage

For Di2, Step, EP8 series

116 links

More powerful, lighter, more compact

Increases the number of gear shifters

More powerful, lighter, more compact

12-speed - wireless

10-45, 10-51

Wireless, configuration via E-Tube app

Wireless, programmable

4 lengths from 165 to 175 mm

60 mm profile, 1437 g per pair

4 crank lengths from 165 to 175 mm

52- and 50-tooth chainrings

New 12v ergonomics

Disc brake version

Replacement screw

Tooth counts: 34, 36 and 40 teeth

Sprocket sizes 11-32, 11-34, 11-36

A great value-for-money choice from Matériel-Vélo

The benchmark in power meters

Compatible with medium cage derailleurs and larger

Increased strength and service life

Sprockets: 11, 12, 13, 14, 15, 17, 19, 21, 24, 28, 32, 36

Tooth counts: 50, 52, 54

With gear indicator

787g for a 50mm profile