Mountain DA_G Dual Action PumpMountain DA_G Dual Action Pump Larger barrel version pumps more air volume for MTB riders. Large integrated 1 1 8 diameter easy to read analog gauge provides the perfect inflation every time. Dual Action (DA) doubles volume with each stroke and inflates tires up to pressure fast. Integrated dust cap keeps pump head clean and thumb lock lever insures air tight seal. 2020 Bicycling Magazine Editor Choice for the best high volumn mini pump.

Combination name (Group name) : 11-25T 11-28T 11-30T 12-25T 12-28T

Its low-profile design and chain stabilization give riders the confidence to choose rougher routes

Pulley cage                              : GS

The elegantl DEORE FD-M5100 11-speed front derailleur from Shimano is available as Direct-Mount (FD-M5100-D)

Compatible chain: HG 12-speed

No tubes means less friction

and chain hook

leading to quieter operation

giving riders the ability to downshift three gears in one stroke

- Clamp diameter : 34

181mm Q-factor

✔HOLLOWTECH II bottom bracket