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Santa Cruz Bicycles Reserve 27 27.5in i9 Boost Wheelset

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Reserve 27 27.5in i9 Boost Wheelset

We won't encourage you to go out and thrash the living crap out of the Santa Cruz Reserve 27 27.5in i9 Boost Wheelset on massive urban drops and stairs like Danny MacAskill, but we won't criticize your choice to take the biggest and baddest lines when you're rolling on these stout carbon wheels. Santa Cruz designed their Reserve Wheels to be the strongest carbon hoops on the market through extensive research of critical failure points, going so far as to redesign the impact testing protocol used on traditional carbon rims.

Instead of replicating the pothole-like impact test used on traditional carbon rims, Santa Cruz developed their very own testing procedure that simulates one-sided impacts that normally occur when a rider lands on a square, protruding rock after getting airborne off a roller or launching from an abrupt drop. As they began testing leading manufacturer's carbon rims, it became readily apparent that most carbon rims not only broke along the expected bead, but they also failed along the spoke nipple interface, due to the drastic increase in spoke tension as the wheel flexed upon impact.

To mitigate these breakage issues, Santa Cruz beefed up the rim bead, increasing its thickness by one millimeter along each side for improved resiliency when you're thrashing the hell out of these wheels on the trail. The design engineers at Santa Cruz then fortified the spoke holes with square-shaped reinforcements you can visibly see, which protect the spoke nipples from suddenly pulling through due to harsh impact. Although Santa Cruz isn't the first company to reinforce a carbon rim's high-stress areas, they're one of the first to offer a lifetime warranty, so long as you actually break them out on the trail.

It's worth noting that this particular Reserve Carbon 27 Wheelset is laced to Industry Nine Torch Hubs with a lightning-quick engagement of three degrees. This quick engagement helps you get up and over trail impediments standing in your way, plus they sound incredible, giving hikers and bystanders notice of your impending trail mischief. The 27-millimeter internal width provides optimal support for your average trail tires, ranging from 2 to 2.5 inches in width. J-bend spokes and mechanical lock nipples make for easier replacement, should you break a spoke or nipple when you're riding in distant locations. Please note, they're available in Boost spacing only.

  • Designed as the strongest carbon wheels on the market
  • Meticulous carbon lay-up for strength and stiffness
  • Reinforced spoke holes prevent pulling through rim
  • Thicker beads provide reinforcement from heavy blows
  • 27mm width optimally supports 2.0 to 2.5-inch tires
  • Industry Nine Torch Boost hubs with rapid 3-degree engagement
  • J-bend spokes and mechanical lock nipples for easy replacement
  • Santa Cruz backs the rims with an impressive lifetime warranty
  • Item #SNZ00G1

Rim Material
carbon fiber
Wheel Size
Tire Type
Rim Width
[internal] 27mm, [external] 33.5mm
Brake Compatibility
6-bolt disc
Industry Nine Torch
Front Axle
15 x 110mm Boost
Rear Axle
12 x 148mm Boost
DT Competition Race
Spoke Nipple
Sapim Secure Lock
Spoke Count
Claimed Weight
[single rim] 435g, [wheelset, w/rim tape and valves] 1657g
Recommended Use
enduro, trail
Manufacturer Warranty
lifetime on rims

Tech Specs

What do you think about this product?


>Rating: 3


If you love the crisp Industrynine high engagement sound you will be disappointed when you get your wheels, Santa Cruz packs the free hub full of sticky grease before they ship your wheels, I called them and they told me this, they don't want there wheels to have the I 9 signature sound. The mechanic where I bought my wheels tried to clean the grease out and apply the proper Dumont lube but it did not help,He said he's not sure what they did , instead of the crisp I9 feeling you get a dull draggy feeling hub,As you can tell I am not at all happy with that aspect of the wheel set, other than that they are a very nice set of wheels.

Thanks. Bummer for you, but this is actually a positive for me. Not everyone wants that sound.

I'd give it some time... I've been through many i9 hubs, anytime oil/grease is introduced, it's quiet. However, that grease will fade and the sound will come back!