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FROOBZ650

Rigid only 650b mountainbike - new age fun with a vintage feel or something like that, with the On-One Bootzipper 650 frame and fork package.

  • Forks and Thru-Axle included

Get £100 off at Checkout with code UNZIP

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From £325.00

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Raw Matt Phosphate / Large
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Raw Matt Phosphate / Small
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Raw Matt Phosphate / X Large
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Remember when mountainbikes were mountainbikes? Without all this crazy suspension? When the summer was endless and we used bricks and planks for ramps and jumpers for goalposts? 

Maybe you're not as old as us. Or maybe you are.

Our first ever mountainbikes were fully rigid, and we wanted to return to that with the Bootzippers! Not just a very long rigid fork in a hardtail bike - but a proper rigid only bike. So that's what we did - we've made a 29in version, and this - a 650B version too.

It's not all backward - triple and double butted 4130 tubing, hand TIG welded into a contemporary chassis, with routing for 1x drivetrain and stealth dropper post.

The 44mm headtube takes tapered forks and keeps things tidy and easily upgradeable. A threaded BSA bottom bracket shell means no creaks or weird workshop confusion. A 12mm though axle rear dropout sits at Road Disc 142 spacing to open up the range of lightweight wheelsets available.

A tough chainstay plate means great tyre and chainring clearance and extra durability too.

Gussetted top and down tubes keep the front of the frame strong, and let us use optimised main tubes for better handling.

The Bootzipper650 comes in four sizes with contemporary reach dimensions for riders looking for that long, low feel with a short stem. It's set to be a classic.

Paint finish includes a Phosphate and Laquer version which will rust in use, but we love it. If you're disturbed by less than perfect finishes, it's best you avoid this.

Notes:-

  • Rigid only - comes with a fork. Don't fit suspension, even short forks will wreck the handling.
  • Fork takes a Boost 100x12mm wheel - axle included.
  • Frame takes a Boost 142x12mm wheel - axle included.
  • 32t boost chainring is design spec, but larger may fit (tbc).
  • 160mm rear rotor is design spec, but larger may fit (tbc).
  • Headset is EC44 lower cup, ZS44 upper cup.
  • 31.6mm seatpost with 34.9mm clamp
  • 650x2.3 tyre maximum or maybe a bit bigger (tbc)

Additional Information

Product Code:FROOBZ650
Model:BOOTZ650

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Geometry

Geometry

Size & Specs

Bike frame geometry
  SMALL MED LRGXLG
AHead Angle (degrees)70.070.070.070.0
B Head Tube (mm)130150170185
C Top Tube Effective(mm)573598621647
D Seat Tube Angle (degrees)74.574.574.574.5
E Seat Tube C-T Actual (mm)381431483510
F Chainstays (mm)432432432432
G BB Drop (mm)53535353
I Stack (mm)551570588602
J Reach (mm)420440458480
K Front Centre (mm)656683708735
M Fork Rake (mm)50505050
O Wheelbase (mm)1083111011351162
P Standover (mm)TBCTBCTBCTBC

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