EIGHTIES BIKE CO THUNDERHEAD FRAME
The Thunderhead frame has been designed for riders that enjoy riding some empty pools, some hidden trails or why not for those into big park tricks.
100% Cromo 4130 seamless Sanko Japan.
Heat treated bottom bracket / Dropouts / Headtube.
Pentagram Logo embossed gussets on top and downtubes
Top Tube sizes 20.5″ / 20.75″ / 21″
13″ Chainstays (Center to center)
75.25° Head tube angle.
71° Seat tube angle.
8.3″ Standover height.
Removable brake bosses / Gyro tabs.
weight 2.3 kgrs (5 lbs).