These are replacement front 12mm and 15mm thru axle end caps for the Ardennes Plus GP Disc Brake. This wheel set comes stock with 12mm end caps installed in to the front hub. If you lose your end caps, these will have you covered. We also sell a quick release skewer kit, to convert the wheel set for skewers.
⚠️ WARNING: This product can expose you to chemicals including bisphenol-A, which is known to the State of California to cause birth defects or other reproductive harm. For more information, go to WWW.P65WARNINGS.CA.GOV