The 2013 Challenger 350 frame adopts MERIDA HFS
Patented technology, aluminum alloy flat welding frame (secondary welding, greater welding strength), frog legs’ FLX elastic rear Chainstay design.
The frame of the 2013 Challenger 600 adopts the HFS frame of the 2012 Challenger 800. The pipe is thinner and thinner, but the hydraulic angular strips are more prominent, which reduces weight and ensures strength; the 5-way position also uses flat welding technology, which not only makes the welding more beautiful, but also effectively increases the rigidity of the 5-way position, which can be regarded as It is probably the most important upgrade of the Challenger 600.
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