Advanced MTB functionality in low-cost lightweight package.
​Mainly covers the 9-speed space, but its shifters come in 6, 7, 8, and 9-speed.
Shimano and SRAM 1:1 MTB rear shifting options available.

Shifters

Shimano-Compatible
M300 Trigger Shifter 9 spd
SL-M300

M300 Trigger Shifter 8 spd
SL-M300

M300 Trigger Shifter 7-spd
SL-M300

M300 Trigger Shifter 6-spd
SL-M300

M300 Trigger Shifter 3 spd
SL-M300


SRAM 1:1 Compatible
M300 Trigger Shifter 9 spd
SL-M300C

Rear Derailleurs

Shimano-Compatible
M300 Rear Derailleur, Long Cage
9/8-spd 
​RD-M300

M300 Rear Derailleur, Short Cage
8-spd 
​RD-M300

There are no 6/7-speed rear derailleurs in M300. Look for those in the M200 group. 


SRAM 1:1-Compatible
M310 Rear Derailleur, Overlength Cage
9-spd 
​RD-M310

Chains

M300 9-speed Chain
CN-M300