Shimano Deore BR-M6100 Disc Brake Caliper - Front Rear Hydraulic Resin Pads Gray MPFN-230-6035 In other words the arms

In other words the arms allow the pads to travel way up the arm so you could say run a 650b or 700c wheel on a bike designed for 26”wheels

Color Pale Pink Defined Color Pink Fork Type Not Included Frame Material Steel Mfg Size 21 Rear Axle 14mm Threaded x 110mm TT (Effective) 21 Wheel Size 20" Platform Nightshift

Brake Type Disc Color Safety Mask Blue Defined Color Blue Fork Material Steel Fork Type Rigid Frame Material Steel Frame Type Rigid Mfg Size Small Rear Axle 12mm Thru x 197mm TT (Effective) 585 Wheel Size 26" Fat Platform Ice Cream Truck

SRAM engineered the oversized DUB spindle to work across every bottom bracket standard simplifying crankarm compatibility

The XM 421 is as good as an All Mountain rim can get yet still fears no trail no matter what rock gardens it has on the menu

Shimano Deore BR-M6100 Disc Brake Caliper - Front Rear Hydraulic Resin Pads Gray MPFN-230-6035 In other words the armsShimano Deore BR M6100 Disc Brake Caliper Front or Rear Hydraulic Resin Pads Gray. The Shimano Deore BR M6100 disc brake caliper offers powerful and reliable braking power. Suitable for front or rear TECH SPECS Defined Color Gray Brake Caliper Type Post Mount Brake Lever Actuation Hydraulic Rotor Included No Hydraulic Fluid Type Mineral Oil Pad Compound Resin