Mavic Rear Axle Adapters 12mm to 9.5mm Standard QR - RogueMechanic
Cheers.US Bicycle V Brake Adapter Converter to Caliper Brake Adaptor for Folding Bike Road Cycling V-Brake Mounting Holder Part Accessories - Walmart.com
Leap / FreeRad Support – Xtracycle
canti adapter, 26" to 700c, (Mavic) | Retrobike
MAVIC Felgenbremsen-Adapter 26 auf 28" PORTOFREI! | Kaufen auf Ricardo
Possible to adapt 26" brake bosses to 700c? There looks like there is enough clearance for the wheel, but the brake bosses are too low to fit a bigger wheel : r/bikewrench