AP-1 Adhesive Primer - 10ml, Pen base layers delivering a ride that’s quick

delivering a ride that’s quick and lively under power

With no hoses or routing required

When they work properly

These legendary M26 rear derailleurs put cyclists of all ages back on their saddles with as little frustration as possible

Burley's adapter for bikes with a 12mm thru axle

AP-1 Adhesive Primer - 10ml, Pen base layers delivering a ride that’s quickAP 1 prepares surfaces, accelerates curing and promotes maximum performance of Park Tool TLR 1 and TLR 2 Threadlockers as well as RC 1 Retaining Compound. Conveniently contained in a pen for easy and precise application. 10ml pen Competes with Loctite 7649 NOTICE: When retaining compound or threadlocker is used on carbon fiber frames or components, adhesive primer must first be applied to all component, fastener and frame surfaces. Failure to do so