Tough on belts and clutch., 15 Tooth 5/8 Bore , No set screws 10 Tooth Sprocket 5/8 Bore For 40/41/420 Chain Mini Bike 10 Tooth Sprocket For #40/41/420 Chain - 5/8 Bore Go Kart & Mini Bike Sprocket 10 Tooth #40 Chain Sprocket 5/8 Bore Mini Bike Mini Bike Clutch Sprocket Replacement 1EA NEW FRONT 14 TOOTH 420 CHAIN SPROCKET 20MM X 18MM SHAFT CLONE Torque Converter Replacement Sprocket With a 5/8-inch bore and designed for 40, 41, or 420 chain, this sprocket will give you more top-end speed compared to the common 10-tooth sprockets. Just keep... Take off speed will be greatly reduced. 23 Tooth & 12 Tooth Double Sprocket | 5/8" Bore, 40/41/420 Chain 15 Tooth 5/8 Bore C-Sprocket., For 40,41,420 Chain., 3/16 key needed.
