Post a picture of your Schlumpf(s)

Such a nice build up there Martin.

You were braver than me with the 138 cranks - and I really do one day need to try as tyre as narrow as that too. It looks super fast rolling.

Glad you got your brake up and running too in spite of the issues :muscle::gear:

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This is awesome!!!

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Nah :stuck_out_tongue:
Because:

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But there has to be discussions and, it `s not always peace and happinees

Mine is an original schlumpf 29’er, I like the simplicity of having the best of everything in a compact easy to transport and ride, great look and upgrades.

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Here is my new take with the hub. Introducing lunaticas, a.k.a. the Ultimate Commuter, a custom built G29:

The frame says “lunaticas”, but I’m still experimenting with different designs and materials, so you may see it in different stickers.

  • Frame: Custom “Saturn” Titanium Frame, Seat Post and Clamp
  • Rim: Nextie NXT29XM41
  • Hub: KH Schlumpf Hub 2015
  • Tire: Surly ExtraTerrestrial 29 Slate-wall
  • Tube: RideNow 29’’ TPU
  • Spokes: Sapim Race, with Sapim aluminum self-locking nipples
  • Brake: Shimano BR-M446/447
  • Saddle: KH Fusion Freeride
  • Cranks: KH Spirit Double Hole 117/137mm
  • Pedals: Unbranded flat pedal
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Great uni! But let me correct you on that point:

It isn’t the ultimate commuter as you have no inboard disc. You won’t be able to shift down while braking, which is a game changer for commuting IMHO.

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One day it will. Ultimately.

That means I’ll have to learn downshifting first. Hmm.

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Progress on my G36 2022/23 Flansberrium-Schlumpf [125mm] unicycle.

Jakob has been amazing in communicating with me and custom building a Flansberrium frame for the 2022/23 Schlumpf 125mm hub.

Hoping to avoid any clash issues we waited for my Schlumpf to be delivered to verify dimensions before assembling/welding the frame.

“Since I didn’t want to have a huge crown, I used my dimple tool I use on bicycle chainstays to make the necessary clearance for the non-disk side.”

Cro-Moly Steel




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  • Frame: Nimbus Hatchet 29”
  • Hub: Schlumpf 2023 Disc M1438 36h
  • Rim: Jones C-Rim 29" x 56mm, 6mm offset
  • Spokes: UDC 14ga
  • Nipples: DT SQUORX
  • Brake: (Hatchet stock)
  • Brake Mount: Shimano
  • Rotor: 203
  • Tyre: Maxxis Hookworm
  • Inner Tube: Standard 24x3”
  • Valve Cap: Standard
  • Saddle: (Hatchet stock)
  • Seatpost: (Hatchet stock)
  • Clamp: (Hatchet stock)
  • Cranks: Nimbus VCX Plus - 114/142/170mm (standard)
  • Pedals: (Hatchet stock)
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I don’t know why but Guni Hatchet is never something I’ve thought of before but looks so cool.

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Maybe because it wasn’t possible? :grin:
The Hatchet frame requires a 125mm hub, which wasn’t available before this year.

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Hatchet Guni looks great!
That’s what I would do with my Schlumpf 125mm hub if I decide, in the future, to drop down a wheel size.

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  • Frame: Flansberrium #98 - 27.5 x 3.0
  • Hub: Schlumpf M1298 100mm 36H
  • Rim: LightBicycle EN732
  • Spokes: Sapim CX-Rays
  • Nipples: DT Swiss
  • Brake: Shimano M9120
  • Mount: Mad4One Brake Mount for Handle Saddle
  • Rotor: Schlumpf 203mm
  • Tire: Schwalbe Hans Dampf 27.5 x 2.6 - tubeless
  • Saddle: QX Eleven
  • Handlebar: Ursli Short wrapped with Mad4One leather strip
  • Seatpost: Mad4One XXL
  • Clamp: Mad4One three bolt
  • Cranks: KH Spirit 117/137mm
  • Pedals: Deity Bladerunner
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@Elias , this is sooooooo hot :hot_face:

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Frame Nimbus Oracle 27.5
Hub #1290
Rim KH Freeride
Tire Vee Speedster 27.5x3
Brake 203 rotor basic udc Shimano
Handle QU-Ax
Seat KH Fusion Freeride wUDC air cover
Cranks UDC Venture 150

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Nice build!

You sure it has the hub #M1240? I ask as that’s my G24’s serial number.

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Lol. My bad 1290

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A bit late posting my finalized build over here, but nevertheless:

  • Hub: Schlumpf M1302, 100mm, 36h, 180mm disc
  • Frame: Mad4One Muni L
  • Rim: KH 29" Freeride
  • Tyre: Surely Dirt Wizard 29x3.0
  • Saddle: KH Fustion One
  • Handlebar: URSLI bar L (#18), leather handlebar tape
  • Seatpost: KH pivotal seatpost
  • Clamp: Mad4One three bolt
  • Disc brake: Magura MT5
  • Cranks: KH Spirit 117/137mm
  • Pedals: Race Face Chester
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Just got delivery of my Flansberrium 36" Frame.
Now begins the build.

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