folding bike frame

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  • Sale! 733 frameset


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Road Frame Sizing

Start with your body height and inseam (if you're on the border line or have short legs). Then find the matching frame size.

sizing icon
Size (Inches) S (18") M (19") L (20.5") XL (22")
Rider Height (Inches) 59"-65" 65"-69" 69"-72" 72"-77"
Inseam (Inches) 27.5" 28.5" 29.5" 30.5"
Head Tube (Inches) 3.9" 5.1" 6.3" 7.5"
Top Tube (Inches) 21.25" 21.9" 22.4" 22.8"


Eventually every road biker has a dream bike in mind. It has all the components you love, none of the stuff you don’t love, and–if you’ve built it on a CHANGE frame–at the end of a ride it folds in half and slips unobtrusively out of the way into your car trunk or apartment.  

Best of all, there’s no penalty for this added convenience. Your bike rides like a true road bike because it is one. The CHANGE 733 folding road frame is ruggedness-tested and works with standard industry components, like the fork and wheels of your choice, without any of the usual limitations of a folding bike. What will you build?

SPECIFICATIONS733 folding road bike frameset
Frame Sizes460mm (18"), 490mm (19"), 520mm (20.5"), 550mm (22")
Folded Size26" x 24" x 9" frame only (See CHANGE Century and CHANGE 702 for full-bike folding)
Frame ColorsMatt Black, Glossy White
Frame ConstructionHydroformed, double-butted, aerospace-grade 7005 Aluminum
Ruggedness certificationEN 14781 destruction test suite (passed)
Brake mount typeTekro rim brakes
Axle typeQuick release
Cable routingExternal
LatchesTop latch CNC meshed-tooth with butterfly-style cam (like a ski boot latch). Bottom latch cam compression lever (like a seat post latch)
Other featuresSeatstay hook for front wheel storage when folded, rubberized seat tube foot to protect bike when folded.
Weight2.3 Kg (4 lbs 12 oz)
HeadsetFIRST Press-fit:1-1/8″
ForkT800 Toray carbon. Matte black or glossy white. 1-1/8" straight, axle-to-crown: 40mm
PedalsWellgo flat pop-off pedals
Carry bagCanvas carry bag with carry strap
Seat Post Size31.6mm
Bottom bracket68mm English threaded
Wheel sizes700c
Max tire width28mm