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  • Reynolds 27.5 Trail Blacklabel Boost Wheelset
  • Reynolds 27.5 Trail Blacklabel Boost Wheelset Back
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Reynolds27.5 Trail Blacklabel Boost Wheelset

Item # REY002R

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  • Black, 15x110/12x148,Shimano/SRAM ($2,299.00)
  • Black, 15x110/12x148,SRAM XD ($2,299.00)
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Item # REY002R

Moderate. Kind of.

In cycling as in life, there is virtue in moderation. Reynolds' 27.5 Trail Blacklabel Boost Wheelset proves this. Kind of. The wide-but-not-plus rim bead occupies the versatile middle ground between XC hoops that look like road wheels and the 40mm+ monsters we're seeing on the latest extreme enduro sleds. So it's definitely the Goldilocks choice there. But the wide, Boost hubs are decidedly immoderate, and so is the effect of increased drive stiffness and responsiveness that they grant the wheels.

The Blacklabel branding represents another departure from moderation, as it indicates that these wheels are Reynolds' top of the line construction. They feature the brand's Mountain Rim 5 (MR5) lay-up, which involves five different carbon matrixes applied to five different areas of the wheel. If that sounds decidedly immoderate, well, it is—the construction process is more complicated than many framesets. And though we don't often dwell on the possibility of equipment failure while roosting berms and challenging lines that are, well, ill-advised, the fact that Reynolds puts so much engineering into the rims helps ensure that we won't have to dwell on equipment failure. For a few months. While wearing a cast and saving up for a new wheelset and/or bike.

The Goldilocks theme of moderation definitely applies best to the wheels' rim width, which hits the just-right dimensions of 25mm, internally. Mid-sized tires pair well with this width, and we find that the 2.4-2.5 range provides the best all-around blend of extra cushion and increased traction without getting floppy in hot corners. As with Reynolds' 27.5+ wheels—which sit at 40mm internal width—there are specific instances when we like plus-sized tires; however, we find that the combination of a mid-sized rim and a mid-sized tire handle almost every trail situation we can imagine, so they're our pick when we're limited to a single set of hoops and rubber.

Boost hubs have also become a staple around the Competitive office and the industry as a whole because of their increased responsiveness. It's something of an old story by now, but it's worth rehashing: by setting the flanges wider Reynolds (or more accurately, Industry Nine) improves the spoke bracing angle, which stiffens the wheels laterally and torsionally (translating braking and pedal input from hub to rim to trail) without stiffening them radially (not translating every bump and lump straight up the seatpost).

As implied above, the hubs are manufactured by Industry Nine, and are basically just rebranded versions of the Torch model. I9 machines all of its bits and widgets in Asheville, NC, with the only non-US component being the ABEC 5 grade Japanese bearings. And the Torch freehub is the real star, anyway, because it uses two sets of three offset pawls in order to reduce the hub's engagement angle to three degrees. The Torch hubs effectively replace DT Swiss' 240s, and—if it were any other make and model—we'd call it a downgrade. But I9's Torch promises to become the new standard, so we're perfectly content with the change.

  • A trail wheelset for all-around riding
  • Carbon construction more complex than many frames
  • Mid-sized width marries perfectly with 2.4-2.5in tires
  • Boost spacing increases responsiveness without harshness
  • Industry Nine Torch hubs are rapidly becoming the new standard
Tech SpecsWeight
Tech Specs
Rim Material
MR5 carbon fiber
Wheel Size
27.5 in
Tire Type
Rim Depth
28 mm
Rim Width
[internal] 25 mm, [external] 30 mm
Brake Compatibility
centerlock disc
Industry Nine Torch
Front Axle
15 x 110mm Boost
Rear Axle
12 x 148mm Boost
Spoke Count
28 / 28
Recommended Use
Manufacturer Warranty
limited lifetime (purchase post January 2017) (purchase post January 2017)

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Black, 15x110/12x148,Shimano/SRAM
Black, 15x110/12x148,SRAM XD

Claimed Weight

Claimed weights are provided by the vendor.

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[set] 1,568 g

Reviews & Community


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The Only Carbon Wheelset

  • Familiarity: I've put it through the wringer

I put these on my BMC about a year ago and I am still amazed by them. I was slightly worried that they would feel too stiff but I was very wrong. Stiff when needed but do not beat me up even after a long ride. The i9 hubs are absolutely amazing. Tons of engagement so as soon as you put the power down the bike is moving. Very helpful on techy climbs.

I am currently running 2.4 Highrollers front and rear and it is a perfect fit. Reynolds is a great company to work with and they offer a lifetime warranty on top of that so you can be confident that you're money is well spent.

Wow. Impressed.

  • Familiarity: I've used it several times

Picked up a set of these to go along with my Evil Calling. Initial impressions are fantastic, but I will update the review with long term durability. These things sit at 25mm internal, which I think is perfect for a 2.3-2.4 tire, and I have a set of 2.4s on mine. Blew up with a hand pump tubeless, and are holding air great.

These basically feel like a lighter, faster i9 wheel. The low spinup weight of the carbon hoop is definitely noticeable, and leaning the bike into corners did not expose any lateral give in the wheels, I definitely felt confident in the direction I pointed these.

Knowing how some of these carbon wonder wheels can be labeled as being too stiff, I was a bit worried when I threw these on my bike, but I have been pleasantly surprised so far, they have been stiff when needed but I don't feel like I am being beat up. Plus, external spoke nipples=easy to true should they get knocked out, YES!!

Overall definitely liking these so far, but I will update the review as soon as I get some more ride time on these.