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Ibis 738 27.5in Boost Wheelset

Item # IBS002R

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  • Black, 15x110, 12x148mm, HG Body ($549.00)
  • Black, 15x110, 12x148mm, XD Body ($549.00)
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Item # IBS002R


Super boosted.

When the trail ahead looms in formidable proportions, you'll be happy to have the Ibis 738 27.5in Boost Wheelset under your ride. Its massive 34mm internal rim width and burly 38mm external width lays down a giant, stable footprint for confident grip in loose situations. The 738 allows super-low tire pressure in the range of 10-18 PSI with 2.8-inch tires, which means more traction and less jarring from rock gardens and other lumpy trail imperfections. If you're more of the rounded profile 2.24-2.5-inch tire type, these rims also let you drop the pressure to somewhere in the realm of 18-25 PSI for low-pressure advantages. As an added bonus, Boost hub widths equate to unrelenting stiffness, which in turn makes for increases precision and responsiveness through rough, technical trails.

The 738 boasts aluminum construction for a price-conscious wheelset with proven durability demanded by aggressive trail riders. Tipping the scales at a respective 1880 grams, it's certainly competitive for such a wide wheelset designed for plus-sized tires. Each wheel is laced with 32 Pilar spokes for dependable strength. They're available with a HG driver for Shimano/SRAM 9/10-speed drivetrains or a XD driver for SRAM's exceptional 11 or 12-speed one-by drivetrains.

  • Stout wheelset for shredding trails on plus-sized tires
  • Lightweight and durable aluminum construction stands up to trail abuse
  • 34mm internal width pairs well with 2.8-inch tires
  • Stealthy appeal without flashy logos or loud colors

Tech Specs

Rim Material:
Wheel Size:
27.5 in
Tire Type:
tubeless, clincher
Rim Width:
[internal] 34 mm, [external] 38 mm
Brake Compatibility:
6-bolt disc
Front Axle:
15 x 110mm Boost
Rear Axle:
12 x 148mm Boost
Pilar 14/15
Spoke Count:
Claimed Weight:
1880 g
Recommended Use:
trail, mountain bike
Manufacturer Warranty:
[rims] 1 year, [hubs] 2 years

Reviews & Community


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Unanswered Question
Avg. ride time: 51m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Do they come with tubeless tape and valves?

Ibis 738 - wider is better

  • Familiarity: I've used it several times

I put the Ibis 738 rims on my 2016 Santa Cruz Bronson. That rear triangle will not accept much larger than a 2.5 Maxxis Minion rear but the front will allow the Minion 2.8 easily and I love having the big 2.8 front tire. The wheels that came with my Bronson had better hubs and so I considered having them rebuilt with the 738 rims. In the end that was going to cost more than buying these complete wheels on sale so I went this route and so far I am very happy, plus it is nice to have the other wheels as back-up. I have about 10 rides on them so far including two Moab trips which are never gentle. They mounted up tubeless easily and have held air perfectly. A few of my friends have purchased them since and they are also happy. I cannot speak to the long-term durability yet but initial review is very positive.

Great mid price wheelset

  • Familiarity: I've used it several times

These things came stock on my Ibis Mojo3, and I actually really enjoyed them. The bearings lasted a long time, and the rims were super strong and took many big hits without denting or pulling out of true. I used them with plus tires and the inner width really works perfectly with a 2.8 tire. Hub engagement leaves a bit to be desired, but they just work, and work well.

Unanswered Question
Avg. ride time: 7m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Do you have the non boost version of this wheelset? I see ibis has that sku.

Ibis 738 boost wheelset

  • Familiarity: I've used it several times

Wow these hubs and wheels roll nice. Good tubeless setup and great price with the JULY20 sale.