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Stiffness and strength above all else.
Begging you to build your very own set of drool-worthy wheels for your enduro rig or trail bike, the Santa Cruz Reserve Carbon Rim 27.5in provides unbelievable strength and unflappable stiffness, now available as rim-only, so you can customize each hoop with 28 of your preferred spokes and favorite hub. Internal widths of 27 and 30 millimeters cater to a wide breadth of riding and racing disciplines, from everyday trail rides where optimal strength-to-weight is desired to rowdy all-mountain and enduro thrashings where increased tire support, high levels of strength, and stability are crucial to holding your line across technical terrain.
By now, we're guessing you've seen Danny MacAskill trying his best to demolish the Reserve Carbon Wheels, including a number of absolutely savage drops to flat, as well as riding down steep stairs without a tire on, just to showcase the stunning resiliency these carbon rims exhibit. Santa Cruz is calling these Reserve 27.5in Rims the strongest on the market, seeing they've gone so far as to redesign the impact testing protocol used, just to make sure each Reserve Carbon Rim is up to their impeccable strength standards.
Instead of replicating the pothole-like impact test used on traditional carbon wheels, 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. As they began testing leading manufacturer's carbon wheels, it became readily apparent that most carbon wheels 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 the thickness by one millimeter along each side for improved resiliency when you're thrashing the living hell out of these wheels. The 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 wheel's critical failure points, they're one of the first to offer a lifetime warranty, so long as you actually break them out on the trail while riding—not from running into your garage with the bike still mounted to your roof rack (we kid, but you'd be surprised what people do to their bikes).
Santa Cruz recommends running tires from 2.0 to 2.5 inches wide for the 27-millimeter version and tires from 2.3 to 2.6 inches for the 30-millimeter version of the Reserve Carbon 27.5in Rim. They're made to easily set-up for tubeless use, but will work if you need to make it back to the trail head in a pinch with a spare tube to keep things rolling.
- Impressively stiff and strong carbon rim
- Backed by Santa Cruz's lifetime warranty
- Single rim only for building up your own wheelset
- 27.5in carbon rim, available in 27 and 30mm widths
- Meticulous carbon lay up optimizes strength and stiffness
- Reinforced spoke holes prevent pulling through upon impact
- Thicker beads provide reinforcement from heavy blows
- Item #SNZ00H2