Description
– CNC machined from billet alloy
– AstroGlide Teflon bearings
– Thin construction increases stopping power
– 34 g
– CNC machined from billet alloy
– AstroGlide Teflon bearings
– Thin construction increases stopping power
– 34 g
The Thunderbolt+ is our tried and true Thunderbolt cranks, but now it includes a Mid BB and updated graphics!
The Thunderbolt is one of the most technically advanced crank designs on the market. Due to continued advancements in our legendary 41-Thermal® processing and heat-treatment system, fatigue life has been increased by a massive margin.
Available in Rust Proof Black and Chrome.
The BSD Barrier sprocket is our new plastic guard sprocket. Featuring a fully CNC’d 7075 alloy sprocket and a tough nylon guard, built for grinding, sliding or just general rock n rolling!
– Super tough 7075 sprocket
– High density nylon guard
– Hardened chromo hardware
– Available in 25t & 28t
Offset | 30mm |
Dropouts | Invest cast |
Steerer length | 157mm |
Steerer | 1 piece fully CNC heat treated chromo |
Legs | Tapered triple butted heat treated 4130 chromoly |
Tubing | Sanko Japanese Chromo |
Treatment | Full post weld heat treatment for maximum strength to weight ratio |
Bearing race | Integrated |
Top Bolt | 7075-T6 al with M24 thread |
Weight | 2.2lbs |
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