Maruyama 78 mm Clutch Drum # 211203 replaces # 902835. To be used with 76 mm Clutch Rotors.
This is a great drum to buy if you need a large thread or hole as it can be drilled and taped due to the small 8 mm or 0.314961" hole.
78 mm ID with 8 mm x 1.25 threads
20 mm or .79" Hub OD
.934" or 23.79 mm deep inside of drum.
8 MM = 0.314961"
Clutch Bell.