Ibis launches Boost swingarm for Mojo HD3

New 148x12 rear end adds 27.5+ compatibility

Hot on the heels of the launch of the Mojo 3, Ibis has updated the longer-travel Mojo HD3 with a 148x12mm rear end that allows riders to run standard width treads as well as 27.5+ tires up to 2.8in wide.

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The new carbon swingarm can accommodate tires up to 2.8in wide:

The new carbon swingarm can accommodate 2.8in wide 27.5+ tires

The move to a 148x12mm rear end may be a matter of keeping current with the times, but designing it to also accommodate 27.5+ rubber significantly broadens the scope of this already capable trail bike.

According to Ibis, a nice light set of 2.3in tires will turn the HD3 into a svelte shredder, 2.5in items with good sidewall protection is the ticket for straight-lining through rocky terrain, and 2.8in offerings from Maxxis and Schwalbe will maximize traction.

The ‘boosted’ HD3 is in stock and available for purchase immediately.

Ibis is also offering a swingarm retrofit kit, allowing HD3 owners to upgrade their current bikes.

The kit consists of:

  • Boost/plus-compatible HD3 carbon swingarm
  • 148x12mm Hexle thru-axle
  • Boost lower link
  • Boost lower link shaft and hardware
  • Boost compatible front derailleur mount

The retrofit kit retails for $899 / £699 / AU$ TBC. It’s available for pre-order now through Ibis’ online store. Kits will ship in April.

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Ibis will also offer a swingarm retrofit kit for existing hd3 owners:

Backwards compatibility: what a concept!

To complete the conversion to a 27.5+ trail-slaying behemoth, HD3 owners may also need a new fork, a wider wheelset for 27.5+ treads, and a crankset and chainring with a 52mm chainline for the 148mm rear end. It’s not cheap, but it’s more affordable than buying a new bike — kudos to Ibis for developing a backward-compatible product.

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For more information visit www.ibiscycles.com.