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Yeti Cycles
SB66 Carbon Enduro Complete Mountain Bike

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Like a scrappy little brother.

Yeti’s SB-66 Carbon has been racking up race wins and awards left and right for a few seasons now. The boys in Golden, Colo., know that it’s incredible, and they want to make it available to as many riders as possible, which is why they pulled out all the stops on the SB-66 Carbon Enduro Complete Mountain Bike. You’re looking at a bike that’s podiumed at nearly every EWS stop, is decked out in Factory Series FOX Racing Shox suspension, and finished with a killer SRAM build kit. Just because it’s the value-oriented version out of the SB-66 family, don’t think for one second that it’s anything but capable. Get it to your favorite trailhead, and you’ll see exactly what we mean.

At the core of the SB-66’s beloved handling is Yeti’s proprietary Switch Link suspension platform. On the surface, it looks like most any single pivot bike, but thanks to the eccentric pivots, the wheelpath and suspension kinematics are that of a short dual link suspension design, as found on the SB’s closest competition. The benefit of a dual link design is that it enables the wheelpath to be optimized for particular tasks in different portions of the travel. Namely, the wheelpath stays near vertical early in the travel, providing a responsive feeling at the pedals, and keeping the chainstays short for quick handling. As the bike compresses past the sag point, the axle travels rearward, keeping the bike responsive to large impacts, and providing a smooth ride on incredibly rough terrain.

If this seems like marketing-driven hyperbole, perhaps you’ll prefer race results. Yeti factory rider Jared Graves piloted his SB-66 carbon to a win at the Crankworx stop of the Enduro World Series, and thanks to stage wins throughout the season, he took second place in the overall against some truly fearsome competition. As if that weren’t enough, with the help of his SB-66, Graves also placed himself on the podium at the 2013 Downhill World Championships in Pietermaritzburg RSA, the only person on a short-travel bike to be a serious contender. There but a few bikes that will remain composed at those speeds, while providing the efficiency necessary to compete at the very highest level of the sport. In other words, the SB-66 is backed by a pedigree that few, if any, can match.

Part of the SB-66c’s overall quickness can be attributed to its stiff, lightweight, carbon fiber chassis. At six pounds with a shock, this is one of the lightest six inch travel bikes available. But don’t think for a minute that it gives up one iota of strength or stiffness. With thoughtful tube forming, a tapered head tube, and the massive bearings afforded by the Switch Link, this bike won’t flinch when you throw it into turns at wide-open speeds. Better yet, the svelte frame weight keeps even robust builds under 30 pounds, meaning that you don’t need superhuman fitness to enjoy the climb to the top.

While the SB-66’s geometry looks somewhat extreme on paper, we’ve found that in reality, it has us questioning why other manufacturers are taking so long to follow suit. You’ll find that the effective top tube lengths are roughly an inch larger per size than many of its competitors. The reason being is that Yeti intends the SB-66 to be ridden with a shorter stem, and the longer cockpit provides the same reach you’ll already be used to. With a relaxed head angle and fairly short stays, the bike rewards an over-the-bars riding style, but most riders find that they adopt this aggressive posture naturally, without so much as a moment’s consideration. In other words, we’d recommend that you follow Yeti’s recommended sizing chart, rather than sizing down, as some have suggested.

The Yeti Enduro build is intended to give you all the tools you need to rip, without compromising value. Accordingly, suspension hasn’t taken a back seat. You’ll find Factory Series FOX units, specifically a 150mm travel FLOAT 34 up front, and a FLOAT CTD out back. Both employ FOX’s Kashima coating, for reduced friction and a supple ride, and thanks to the Yeti factory team’s partnership with FOX Racing Shox, you’re assured a setup matches the bike perfectly. The drivetrain and brakes both come from SRAM, with an X-7/X-9 blend drivetrain, and Elixir 5 brakes. The cockpit is comprised of Truvativ items, with Yeti handling the touch points. It rolls on a DT M1900 wheelset, wrapped in Maxxis tires. While it’s not included, you may want to consider is a dropper seatpost.

The Yeti SB-66 Carbon Enduro Mountain Bike is available in the sizes Small and Medium, and it comes in the color Raw/Grey.

Frame Material
carbon fiber
Switch Technology
Rear Shock
FOX FLOAT CTD Adjust Kashima
Rear Travel
152 mm
FOX 34 FLOAT 26 FIT CTD Trail Adjust Kashima
Front Travel
150 mm
Cane Creek
Front Derailleur
SRAM X7 (triple)
Rear Derailleur
SRAM X9 10-speed
yes, removable ISCG mount
Bottom Bracket
SRAM 10-speed
SRAM 10-Speed
Yeti lock-on
Truvativ T20
Yeti Branded WTB
Truvativ T20
Seat Collar
Yeti clamp-on
DT Swiss M1900
not included
Recommended Use
Manufacturer Warranty
2 years on frame

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