Nukeproof generator tr mtb rear wheel 3 in 1the nukeproof generator tr factory wheelset features 25mm rims for reduced rotational weight while still retaining strength and durability suitable for technical xc trail and all mountain riding featuring 32 hole nukeproof generator hubs cold forged from 7075 series aluminium and plain gauge dt swiss spokes the generator tr rim is based on the proven 26 or 27 5 sun ringl inferno rims the 32 hole generator is welded for strength and features a