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The Thunderbolt is no more, but there are stellar Instinct builds available with the new Rocky Mountain range.
Rocky Mountain has consolidated its product portfolio with a new Instinct replacing the Thunderbolt.
The Canadian legacy mountain bike brand has opted for frame size dictated wheel diameters, with economies of scale working in Rocky Mountain’s favour. It is using the same frame for two different market segments, with the updated Instinct.
By altering the shock specification, enabled by a different mount, Rocky Mountain’s engineers have been able to convert the 170/160mm Altitude to an Instinct. Rear suspension travel is similar to the Thunderbolt, at 150/140mm, but there is now the choice of larger wheels for most of the frame sizes.