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-25%

Rohloff Monkey Bone -10 for 180 mm rotors – IS to PM adapter

19 200 HUF
25 550 HUF
Monkey Bone -10 for 180 mm rotors – IS-to-PM adapter for 190/197 mm XXL Speedhubs.
SKU: 8554-10
In stock
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Three years warranty

The Rohloff Monkey Bone -10 for 180 mm rotors (8554-10) anchors the torque of an XXL SPEEDHUB (CC 190 mm / A12 197 mm) through an IS2000 brake mount and adapts it to a post-mount caliper with a 180 mm rotor – more braking power for loaded fat bikes.

Rohloff Monkey Bone -10 for 180 mm rotors, IS to post-mount adapter
Rohloff Monkey Bone -10, 180 mm.

Why the Monkey Bone -10 180?

  • Bigger rotor. A 180 mm rotor gives more stopping power and heat capacity than a 160 mm rotor – welcome on heavy fat bikes.
  • No separate torque arm. The OEM2 axle plate engages directly in the Monkey Bone.
  • Made for 190/197 mm hubs. The -10 offset matches the XXL hub versions.
  • Fat bike bolts included. Two M6x30 bolts are supplied.
Rohloff Monkey Bone -10 180 mm from another angle

Check the cable routing

After fitting, check the routing of the shift cables. If needed, the OEM2 axle plate position can be changed with a TX20 key (axle plate screws 3 Nm) for a route with as few bends as possible.

Who is it for?

  • Fat bike bikepackers. Loaded bikes, long descents, winter riding.
  • Frame builders and workshops. For XXL SPEEDHUB builds on frames with IS2000 brake mounts.

Compatibility

HubsSPEEDHUB 500/14 XXL with OEM2 axle plate: CC 190 mm, A12 197 mm
Frame brake mountIS2000 (International Standard)
Brake caliperPost mount
Rotor size180 mm
Bolts2x M6x30 bolts included; caliper bolts M6x16 (usually supplied with the brake)
Torque6 Nm (frame and caliper bolts)
Not compatibleIS calipers; frames with integrated/direct post mount

Frequently asked questions

What tools do I need?

A 5 mm Allen key, a TX20 key and a torque wrench, according to Rohloff.

Can I use it on a tandem?

Rohloff does not release XXL SPEEDHUB versions for tandem use.

My frame has a post-mount brake mount, not IS – what then?

Then you need a FAT Bone: 8556 for a 160 mm post mount (180 mm rotor) or 8557 for a 180 mm post mount (203 mm rotor).

About Rohloff

Rohloff AG designs and builds the SPEEDHUB 500/14 in Fuldatal, Germany: a 14-speed gear hub with a 526% gear range that has proven itself for more than 20 years on touring, tandem, cargo and e-bikes.

BoodaBike (Massive Bikes, Budapest) is an official Rohloff service centre, trained by Rohloff, and an official European distributor of Rohloff hubs and genuine spare parts. Not sure which part fits your hub? Send us the serial number and a photo of your hub and we will check it for you.