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Home SPARE PARTS Cranks Kris Holm 'Spirit' ISIS Cranks

Kris Holm 'Spirit' ISIS Cranks

  • Product code: 424
  • Brand: Kris Holm
  • Weight: 0.35 Kg.
  • Size:
Price: 600 ¥ IN STOCK
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Product Description


• 7050 Aluminium (similar yield strength but tougher than 7075 Al)
• Over 25% lighter than KH Moment cranks
• Shaped to avoid ankle bone bashing and heel clipping
• Requires 6mm hub spacers
• Shaped to optimize shifting for KH/Schlumpf geared hubs

Brake Requirements:
• Cranks with the twin pedal holes have the EDB compatible
• Disc brake with International Standard (IS) mount or IS adaptor.
• Brake calliper must clear 20 mm slot between disc rotor and inside face of crank.
• Tested on Magura Marta, Bengal Helix, Shimano BR-M575, and Shimano BR-M765 hydraulic disk brakes.
• Will fit most hydraulic disc brakes but not guaranteed to fit mechanical disk brakes.
• 160 mm and bigger rotors


Frames Requirements:
• Requires IS brake mount on right fork blade or bearing housing, and 20 mm or narrower bearing housings (to ensure clearance of disk rotor bolts).
• Fits KH frames produced after June 2012. Other frames may require modifications. Older KH frames may require filing the outside face of the bearing housing to clear the disk rotor bolts. User frame modifications void the KH warranty.
• For frames without IS brake mounts, you can use the Nimbus 'd'brake' Disc Brake Mount to fit a disc brake.


Important Warning for Use of Spirit Cranks with KH/Schlumpf Geared Hub
KH/Schlumpf geared hubs contain a knurled (rough) bearing on one side. This knurled bearing surface acts as a brace against the tightened bearing housing when you are in high gear mode. Because crank-mount disc brakes apply braking force through the crank, braking in second gear may apply additional force to the knurled braking surface beyond that experienced during normal pedalling.

This additional force may increase the risk of slippage of the knurled surface. Slippage problems were not identified during testing. However, given the newness of this braking technology and wide range of users, we cannot guarantee that slippage of the knurled bearing will not occur for all users under all conditions. Slippage of the knurled bearing in the frame while riding in second gear will most likely lead to falls and could lead to possible injury.

Riders using Spirit Disc Cranks with KH/Schlumpf Hubs do so at their own risk. Check the tightness of bearing housings on a regular basis. If you experience slippage, do not use disc brakes with the KH/Schlumpf hub.

Features


• 7050 Aluminium (similar yield strength but tougher than 7075 Al)
• Over 25% lighter than KH Moment cranks
• Shaped to avoid ankle bone bashing and heel clipping
• Requires 6mm hub spacers
• Shaped to optimize shifting for KH/Schlumpf geared hubs

Brake Requirements:
• Cranks with the twin pedal holes have the EDB compatible
• Disc brake with International Standard (IS) mount or IS adaptor.
• Brake calliper must clear 20 mm slot between disc rotor and inside face of crank.
• Tested on Magura Marta, Bengal Helix, Shimano BR-M575, and Shimano BR-M765 hydraulic disk brakes.
• Will fit most hydraulic disc brakes but not guaranteed to fit mechanical disk brakes.
• 160 mm and bigger rotors


Frames Requirements:
• Requires IS brake mount on right fork blade or bearing housing, and 20 mm or narrower bearing housings (to ensure clearance of disk rotor bolts).
• Fits KH frames produced after June 2012. Other frames may require modifications. Older KH frames may require filing the outside face of the bearing housing to clear the disk rotor bolts. User frame modifications void the KH warranty.
• For frames without IS brake mounts, you can use the Nimbus 'd'brake' Disc Brake Mount to fit a disc brake.


Important Warning for Use of Spirit Cranks with KH/Schlumpf Geared Hub
KH/Schlumpf geared hubs contain a knurled (rough) bearing on one side. This knurled bearing surface acts as a brace against the tightened bearing housing when you are in high gear mode. Because crank-mount disc brakes apply braking force through the crank, braking in second gear may apply additional force to the knurled braking surface beyond that experienced during normal pedalling.

This additional force may increase the risk of slippage of the knurled surface. Slippage problems were not identified during testing. However, given the newness of this braking technology and wide range of users, we cannot guarantee that slippage of the knurled bearing will not occur for all users under all conditions. Slippage of the knurled bearing in the frame while riding in second gear will most likely lead to falls and could lead to possible injury.

Riders using Spirit Disc Cranks with KH/Schlumpf Hubs do so at their own risk. Check the tightness of bearing housings on a regular basis. If you experience slippage, do not use disc brakes with the KH/Schlumpf hub.
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