Subrosa street digger bmx tyrethe street digger is a slimmed down bmx tyre from subrosa it features a compact and shallow tread pattern and a rounded profile meaning it will roll fast and smooth on both soft and hard surfaces the rubber compound is extremely grippy which will give you confidence in cornering and braking on all surfaces features slimmed down version of the gravedigger tyre soft and grippy rubber compound round profile for smooth rolling on both hard and soft surfaces sizes 2