The Suntour AP02 is the chain used in the Superbe Pro and XC Pro parts Group. It is Accushift Plus and Accushift Plus II compatible, weighing 328.5 grams. It's very narrow having only a 7.3 mm pin width. The AP02 has slightly cambered outer link plates. The pin link plates and the outer link plates have an interior beveling that make this chain a quick, clean, and quiet shifter. The AP02 is all Silver in color and has a hardening treatment performed on the Black pins, and rollers. Made in Japan. No longer made it sold for $24.99
The AP12 is an AccuShift Plus II and Powerflo compatible chain, that can be used in any 7 or 8 speed shift application. This chain is original equipment for the XC Expert MD, and Road SL parts groups, though it will work on any drivetrain. It weighs a mere 320 grams. The pin link plates and roller link plates have a unique beveling that make this chain a quick, clean, and quiet shifter. The AP12 has slightly outward cambered outer link plates. The pin link plates are Silver and the roller link plates and pins are Black. Made in Japan No longer made it sold for $14.99
The AP21 is Suntour's least expensive Powerflo chain. It can be used with any of the Suntour parts groups. The outer link plates on this chain, like the other Suntour chains, are slightly outward cambered. This is a narrow 7.3mm pin width chain, that weighs 319 grams. Both sets of plates, and the pins are Black. Made in Japan. No longer made it sold for $11.99
