Avian Chromoly Chainring Bolts

The durable Avian CrMo Chainring bolts are available in short and long with laser-etched logos. Package includes a set of 5 bolts/nuts. SPECIFICATIONS Short: 6.4mm/6.4mm Long: 8.9mm/6.4mm Required wrench: 5mm Allen and a Chainring nut wrench (Park CNW-2) Sold 5 per package Weight: 0.8oz (pack of 5) NOTE: Use grease on threads. Short bolts works on many 3-pc crank and chainring combinations such as Answer, Speedline, AC and SINZ (after-market) cranks in combination with MCS, Tangent, Crupi, Rennen or SINZ (after-market) chainrings. Most of the 2-pc style cranks such as Avian, Shimano DXR, Crupi Rhythm, Promax, BOX , etc. will require the longer chainring bolts.