Deore BL-M4100 / BR-MT420 Rear Derailleurs Pulleys Stealth-a-majig connector for easy setup

Stealth-a-majig connector for easy setup

Black or AluGold anodised finish

All-new SRAM CARBON TUNED™ crank technology provides extreme stiffness and light weight

vinyl-dipped handle for leverage and comfortable use

use adapters to adjust to rotor size or to fit on Flat mount or ISO frames and forks

Deore BL-M4100 / BR-MT420 Rear Derailleurs Pulleys Stealth-a-majig connector for easy setupBL M4100 Intuitive and powerful braking Quicker brake engagement with shorter free stroke Rider tunable and action optimized cockpit High performance brake control Additional contact point for a stiffer brake lever 10 deg. rotation angle setting range for I SPEC EV shifting lever BR MT420 90% braking power vs. BR MT520 20% increase braking power vs. current 2 piston BR MT400 150% better wear resistance vs. current 2 piston BR MT400 Brake pad: resin,