Causing quite a stir on Instagram this week, the final prototype of the upcoming Chunk frame from Crumbworks in Japan features some seriously cool curves and an appeal that’s somehow classic and futuristic at once. We know relatively little about it at this point beyond a handful of specs sent to us by Keita at Crumbworks, but we couldn’t resist sharing it.
The fillet-brazed Chunk is made from Tange 4130 chromoly steel and sports a 1″ head tube with a threaded fork, flat mount disc brakes with clearance for 160mm rotors, front and rear thru-axles (12x100mm/12x142mm), three sets of bottle mounts, rack/fender mounts, dynamo routing, three-pack mounts on each fork blade, and full-length brake/derailleur cable housing guides. It’ll clear 27.5 x 2.8″ tires and a 42T single chainring. The version pictured here is a size medium with a swoopy 620mm top tube and 500mm seat tube.
The Chunk will be made in Japan and priced around $1,750 for a frameset. We’ll be sure to share more details on sizing and availability as the project nears completion. In the meantime, you can follow Crumbworks on Instagram for occasional updates.
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