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Kris Holm - Schlumpf Geared Unicycle Hub
  • Kris Holm - Schlumpf Geared Unicycle Hub
  • Kris Holm - Schlumpf Geared Unicycle Hub
  • Kris Holm - Schlumpf Geared Unicycle Hub
  • Kris Holm - Schlumpf Geared Unicycle Hub
  • Kris Holm - Schlumpf Geared Unicycle Hub

Kris Holm - Schlumpf Geared Unicycle Hub

Product code HubKHISISSchlumpf

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£960.00

Out of Stock


The muni version of the Schlumpf geared hub with an ISIS axle.




 
Product Description

All Schlumpf hubs have two gear-ratios: Direct Drive 1:1 and Overdrive 1:1.55 - This means: a 20" wheel works like a 30" in high gear mode, or a 24" is like a 36", a 29" will run like a 44"!

You change gear by pushing the Gold or Silver coloured shift buttons (at the axle bolts), with a little practice you can change gear with your feet while riding.

* Gear Ratios: 1:1 and 1:1.55
* 36 Holes
* 100mm wide (bearing centre - centre)
* ISIS axle
* Bearings: Width: 12mm / OD: 42mm
* External dust shield **New**

Comes with:

* 2.5mm Allen key
* 6mm Allen key
* Shift button tool
* Assembly and maintenance instructions.

This hub was developed in collaboration with Kris Holm, who spent over a year testing and refining the hub. This is why you find both the Kris Holm and the Schlumpf Innovations logos on the hub. This hub has been designed to be strong and robust enough for muni, and will cope with jumps of up to 5 feet (1.5m) - depending of your style of jumping and landing!

The KH-Schlumpf hub comes with a knurled surface on the left bearing holders: this surface, clamped tight in the bearing cups of the frame, holds the reaction torque of the planetary gearing system. Gear shift buttons and shifting shaft are made of strong steel with reinforced design to withstand even hard off-road use. The hubs are sealed against dust and water spray. Every hub comes with a lubrication hole sealed with a screw, Schlumpf recommends lubricating at least once a year. Please use the Schlumpf original grease or good bicycle oil.

This hub is designed for ISIS cranks.

The hub is designed for Kris Holm frames. You can even retrofit the hub to KH frames from 2007 and later. It will also fit other frames with machined bearing housing like the Surly frame. The Nimbus frames will require a slight modification to fit the hub.

Please note that not every KH frame will fit without modification. Please ask before you order. When building this hub care must be taken to always have the elbow of the spoke on the chamfered side of the spoke hole.

Hub flange width (W) = 66.7mm
Hub flange Diameter (D) = 91.47mm
Hub hole Diameter (S) = 2.9mm

Information on the spoke length for building a wheel can be found on our Spoke
Calculator


You can read about 2011 modifications in Schlumpf's press release.


Please contact us directly if you are wishing to purchase this item, as we can order these in especially for you.

Features

Manufacturer : Schlumpf
Number of Spokes : 36 Hole
Size - Bearing : 42mm