Hope 74mm Caliper Adapter (IS) F*-160mm / R-140mm MFPN=5019000322 They offer both long wear

They offer both long wear life and smooth shifting

Spoke Interface J-Bend Skewer Included Yes Defined Color Black Rear Axle QR x 135mm Rear Axle 12mm Thru x 142mm Color Black Flange Diameter Right 60 Flange Diameter Left 58 Hub Drilling 24 Bearing Type Sealed Cartridge Hub/Brake Compatibility 6-Bolt Disc Cassette Body Type Shimano/SRAM 11 Speed Road Cassette Body Type Shimano/SRAM 8 9 10 Speed Center to Flange Right 20

}Profile Design Aerobar Bracket Riser Kit: 5/10/15mm

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 Red/Black Defined Color Red Fabric Weight Light Finger Style Full Finger Gender/Age Unisex Insulation Type None Padding Gel Season Warm Weather Size Small Touch Screen Compatible Yes Activity Cycling

Hope 74mm Caliper Adapter (IS) F*-160mm / R-140mm MFPN=5019000322 They offer both long wearFor use with 2006+ Hope 74mm mounted calipers IS front adapters fit both quick release (QR) and thru axle (TA) fork mounts with included spacers Fits front (F) and or rear (R) applications: (IS) International Standard; (PM) post mount TECH SPECS fork frame mount (IS) 51mm caliper post mount 74mm rotor (front rear) F 160mm R 140mm part # A (HBMA) color silver