Park Tool AP-1 Adhesive Primer The Park Tool AP-1 Adhesive Primer prepares surface, accelerates curing and promotes maximum performance of Park Tool TLR-1 and TLR-2 as well as RD-1 retaining compound. It must be used on all component surfaces in conjunction with thread-lockers and retaining compounds that contact carbon fiber such as PF30 bottom brackets or brackets or bearings pressed into carbon fiber frames. Failure to do so could result in permanently bonded parts. Features Compatible with TS-2. 2, TS-2. 2P, S-2, and TS-3 Truing stands Related Articles: AP-1 INSTRUCTIONS AP-1 Safety Data Sheet Manufacturer's Part No: AP-1 UPC: 763477000088 | Park Tool | Ap-1 Adhesive Primer 10Ml