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VAAST Model U1 Street 650B

VAAST Model U1 Street 650B
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This item is not permitted to be shipped, however it can be purchased online and picked up at one of our stores at your convenience OR we can deliver to your home or office for a $50 fee to the following counties in Maryland: Anne Arundel, Baltimore, Carroll, Harford, Howard, and Baltimore City.


VAAST U/1 Allroad Super Magnesium bikes are super lightweight, with internal cable routing and replaceable rear axle thread plates, and come to you adventure-ready and trail-hungry with carbon forks and plenty of tire clearance supported by fender and rack mounts.

Available in two specifications, 650B wheelset and 700C wheelset, the VAAST Model U/1 line was specifically designed to be a do-it-all companion both on the streets and on the provincial trails. With AE81 magnesium frames and a choice of components, these are amongst the lightest and strongest bikes on the market.

All models are designed with a modern and capable 1X drivetrain, hydraulic disc brakes, progressive geometry and beautiful and durable colors. Reflective decals and tire sidewalls keep you safe on the dusk adventure ride or the dawn commute.

The Model U/1 Adventure 650b has been designed for what most people who venture out on a bike need. It’s the unsung hero of the bike world: Fast, light and nimble on all surfaces. Quick around your local bike trail, cool around the block, and rugged and durable on your gravel roads, fire roads and trail adventures. Its sporty geometry, vibration dampening materials and wide, comfortable tires that will eat up the miles wherever you take it.

It’s perfect for riders who wants a true do-it-all bike packed with performance and multi-functionality.


Frame Urban Optimized 650b AE81 ALLITE® Super Mag™, VAAST Urban geometry, internal cable routing, fender / rack ready
Fork VAAST Urban full-carbon disc, rack & fender ready
Rims/Wheels Alex 650b Double Wall aluminum, 28H, Presta Valve
Hubs Hub F: Sealed cartridge bearing, 6-bolt disc, 12 x 100mm thru axle, 28H; Hub R: Sealed cartridge bearing, 6-bolt disc, QR, 28H
Spokes Double butted stainless
Tires WTB Venture 650b x 47mm Road Plus Comp w/tan skinwall Tire
Crankset Forged Alloy, 40T
Bottom Bracket Sealed cartridge bearing
Chain KMC X9
Rear Derailleur microSHIFT Advent M619M 1 x 9 speed
Rear Cogs microSHIFT 11-42T, 9-speed
Shifters microSHIFT Advent 1 x 9
Handlebars VAAST Urban Pro, 6061 butted aluminum
Tape/Grips VAAST Dual Density
Stem VAAST 3D forged
Brakes Hydraulic disc brakes w/Three finger lever
Saddle VAAST Urban Sport
Seat Post VAAST Micro adjust aluminum, 27.2mm x 350mm
Color(s) Matte Black
Sizes S (40cm), M (46cm), L (51cm)

* Subject to change without notice.

Part Numbers

Option UPC MPN Store SKU
40cm 810031650392 VA208530 VAA37889427K