Deore M4100/MT420 Front Disc Brake Vendor_Surly Headset bearing

Headset bearing

has a trail-specific cut

Lighter front shifting operation

6-bolt/44mm-BCD International Standard disc mounting dimensions

Deore M4100/MT420 Front Disc Brake Vendor_Surly Headset bearingThe Shimano Deore M4100 hydraulic disc brake and lever set delivers high powered and reliable braking for MTB riding styles. FEATURES: Brakes are pre bled Includes resin brake pads 4 piston caliper features consistent braking performance and reliable stopping power in all conditions SPECS: Rotor Included: No Pad Compound: Resin Hydraulic Hose Length: 1000mm Brake Lever Use: Left Hydraulic Fluid Type: Mineral Oil Brake Lever Actuation: Hydraulic Brake