Product Description

New for 2025! Odyssey's trusty 41-Thermal Heat-Treated Thunderbolt cranks sized specifically for the growing DJ/MTB scene.

Based around test riders' repeated requests for cranks with BMX-level durability, the Thunderbolt DJ crank takes Odyssey's proven design and adds a longer spindle for compatibility with 73mm Euro bottom bracket shells.

The Thunderbolt is one of the most technically advanced crank designs on the market. Due to continued advancements in Odyssey's legendary 41-Thermal® processing and heat-treatment system, fatigue life has been increased by a massive margin.

Features:

Proven 41-Thermal® processed 4130 chromoly
Legendary lifetime replacement warranty
Laboratory tested and team proven
Traditional sprocket interface
Open-ended spindle cap
Wedge cluster band with greater flexibility
Never-Wobble™ crank arm and spindle interface guarantee
73mm Euro BB spindle length
Flush sprocket bolt hardware for improved clearance

Specs

Lengths: 165mm and 170mm
Drive Side: RHD
Spindle: 22mm
Spacer Width: 51.5mm for 73mm BBs
Weight: 1 lb. 11.8 oz. (788g)