External drum diameter (mm): 337

Max. Size of the spacing of the brake drum [mm]: 296.5

Inner heatsink drum [mm]: 65.6

Total height of the drum [mm]: 80.4

Number of Holes: 6

Centering diameter [mm]: 101

Internal diameter drum [mm]: 295

Thread Size 1: 12.5

Thread Size 2: 6.5