INSIGHT 4-Bolt Chainring (Blue) (39T) - INCR439BLBL
INSIGHT 4-Bolt Chainring (Blue) (39T) - INCR439BLBL, 4-Bolt Insight Chainrings feature a unique profile that adds strength without compromising weight. A reliable, elite level product at an excellent price. Features: 104mm 4 hole pattern 5mm thickness Stamped sprocket size on rear of gear Designed for single, 8 or 9 speed chains Available in 34T-44T Weight: 123 g / 4.33 oz (42T)