From Bikes direct
http://www.bikesdirect.com/products/...wift_track.htm

It his a good place to start
I am 220 lbs and ride about 100km per week over here in Cambodia. looking for a lightweight bike for in town riding.



Frame Gravity Aluminum, ALUMINUM 6061, With drop-out inserts & Water Bottle Mounts
Fork CrMo Straight-Blade, 1.125 inch steerer
Crankset 3-pc Alloy, 130 BCD, Aluminum arms, 46T
Bottom Bracket Sealed Euro Cartridge BB, square taper
Pedals 9/16th axle, Platform pedals included
Front Derailleur
N/A

Rear Derailleur N/A
Shifters N/A
Cassette/Freewheel
Freewheel 16T and FIXED Cog 16T included

Chain KMC Z410 1-spd
Hubs FORMULA Aluminum Track, Bolt-on (120mm rear axle)
Spokes Stainless Steel
Rims ALEX R450 Double Wall aluminum with machined brake track
Tires Kenda 700x25c, presta valve tubes
Brakes CStar SLR Aluminum
Brake Levers CStar Alloy SLR Road
Handlebar Aluminum alloy black, 26.0mm
Stem / Headset
Aluminum alloy threadless, 1.125", 26.0mm clamp/ Tange 1-1/8” Threadless, Cage Ball Bearing

Tape/Grip Black cork
Saddle VELO Super Light
Seat Post Aluminum alloy Micro Adjust 27.2mm
Seat Clamp Machined Aluminum Alloy with bolt
Sizes 49, 52, 54, 56, 58cm, 61cm