Henry's Ultralight Tuning Kit for the Circus Diabolo reduces the weight of the diabolo by 35g but maintains all the other dimensions.
2 x standard size white plastic (POM) hubs
1 x aluminium axle
1 x roller
2 x large plastic washers
2 x PA washers
2 x aluminium cap nuts
ONLY COMPATIBLE WITH HENRY'S CIRCUS DIABOLOS.