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发表于 2017-2-10 10:18:28
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本帖最后由 eee 于 2017-2-10 10:19 编辑
http://www.recumbents.com/wisil/junkbike/junkbike.htm
http://www.recumbents.com/wisil/Junkbike/default.htm
Item | Costs | 'China" BMX donor bike | $0 | "Atala" Donor 10 speed bike | $0 | Wheels, hubs, spokes | $0 | Derailleur's, brakes, shifters | $0 | Seat | About $10 - reused from previous project | Tires, Tubes | About $40 - reused from previous project | Handlebars | About $3 worth of tubing - from previous project | Chain | 3 chains, $24 . | Idler | About $2.50 - Made from skate wheel | Rear seat stays | $8 worth of aluminum tubing | Welding costs | About $5 for gas, rods, chunks of metal. | TOTAL | well under $100... |
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