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Zooká: 1983 Trek 620 650b mock-up
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Zooká: Tektro R559 will require filing in the rear. Need about 2mm more reach..
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Zooká: Limitation for larger tires lies at the chainstay. Could dimple them to improve clearance
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Zooká: Clean!
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Zooká: Panaracer 650 x 38b tires (about 34 actual). Plenty of room with these
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Zooká:
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Zooká:
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Zooká: Parts run-down