SRAM MRX Comp Microfriction Front Shifter Bags Worn on the upper arm

Worn on the upper arm rather than the wrist

ensuring smooth front and rear shifting on any Shimano 10-speed road drivetrain

Available in multiple anodized colors to match the rest of a Wolf Tooth-equipped build

or visible shark-fin tooth wear

SRAM MRX Comp Microfriction Front Shifter Bags Worn on the upper armWhat is the SRAM MRX Comp Microfriction Front Shifter? The SRAM MRX Comp Microfriction Front Shifter is a thumb actuated flat bar shifter for the front derailleur, using a friction style actuation that works across a wide range of front derailleur types and cable pull ratios. Microfriction design allows fine tuning of front derailleur position beyond fixed indexed positions, which is particularly useful on drivetrains where indexed front shifting is