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SB6 Turq XT M8100 Mountain Bike
The SB6 is a terrain-gobbling machine, having seen its fair share of regional and EWS wins at the hands of the Yeti Factory Team riders. It's a bike that makes quick work of the biggest and baddest enduro stages or bike park lines, yet is light and efficient enough to pedal all day in the backcountry on big rides with plenty of elevation gain. Pairing six inches of plush Switch Infinity travel with highly capable geometry, the SB6 not only excels on a World Championship level, but is a great option for ripping your local trails with confidence and composure. Compared to earlier iterations of the SB6, this recent model gets upgraded with a downhill-worthy Fox Factory X2 shock, full-length internal cable tunnels for simplified maintenance, and a lifetime warranty on the frame so you can charge hard with confidence in your equipment.
The SB6 is a bruiser of a bike, so Yeti tests the frame to DH standards of strength and stiffness. Considering that it has to hold up to the aggressive riding of Richie, a pro who makes the earth shudder beneath him while riding, the SB6 is certainly strong enough for us mortals. That being said, rugged terrain is an inherent part of mountain biking, so Yeti incorporates custom frame protectors on the down tube and chainstay to help withstand rock strikes and chain slap. Yeti constructs the frame from their high-modulus TURQ-series carbon fiber, finding the right balance of stiffness and compliance at a weight that's about 250g lighter than the C-series frames, without sacrificing any strength. Home mechanics will rejoice at the addition of full-length cable tunnels in the frame, as well as the lifetime warranty that's now standard on 2019 and newer Yeti carbon frames.
The heart of the SB6 is the Switch Infinity suspension yielding 152mm (6.0in) of plush yet efficient travel. The key to the characteristic Yeti ride quality is the linear suspension curve offered by the translating main pivot, aka the Switch Infinity link. The link moves upward in the beginning of the travel, providing an initially high anti-squat value for a superior pedaling platform that makes this bike climb much better than the geometry and travel numbers would indicate. Further into the travel, the link moves back downward, allowing the anti-squat to drop away so the custom-tuned Float X2 rear shock can soak up terrain as intended. These characteristics provide excellent mid-stroke support for popping off trail features, and a bottomless feel to the travel for bigger hits and hard landings. We can confirm that Switch Infinity rides like no other, being one of the smoothest designs we've ridden to date.
Complementing the proficient suspension is the SB6's long, low, and slack geometry that is key to the bike's impressive handling at speed and the confidence it inspires on the descents. The head tube angle sits at a slack 64.9 degrees with a 170mm fork, working with the long wheelbase to provide unwavering stability when things get rowdy. The 17.4in chainstays are not short, but they contribute to the bike's surefooted handling, and can still be piloted around tight switchbacks with relative ease. The seat tube and standover height are fairly low, letting you drop your seat and lower your center of gravity for more control on descents and tricky corners.
The hardware and parts on the SB6 are custom made for the bike, ensuring everything works together as a system to perform at the highest level for a very long time. The Enduro Max sealed bearings are well-suited to the high loads of aggressive riding, while the collet axle system on the pivots helps to reduce bearing wear, improving the life of the moving parts. The Switch Infinity link itself is a bombproof system built by Fox, engineered to withstand the worst riding conditions. It features Kashima coated stanchions for low friction and durability, while the seals and bushings are of the same grade used in Fox's motorsports division. For good measure, Yeti includes the Switch link in the frame's lifetime warranty. Moving to the rear of the bike, an integrated axle and derailleur hanger is built for simplicity and strength. The left-hand threads that secure the hanger allow Yeti to use the same machined piece to hold the axle in place, a clever system that improves stiffness and durability. It's worth noting that the frame has clearance for up to 2.5in rear tires, though this can vary depending on the brand.
The Shimano XT group is a perfect spec for this frame. The XT 4-piston brakes are among our favorites offering unrivaled power and more controllable modulation than previous generations of Shimano brakes. The 10 - 51t cassette brings legitimate 1x gearing to devoted Shimano riders with a range low enough to handle extended climbs and tall enough for that last push to the line. Quality parts throughout extend to the FOX Factory suspension, TruVativ cockpit, and e*thirteen wheels and tires.
- An aggressive machine for enduro, bike park, and trail riding
- 6in of plush yet efficient travel soaks up any terrain
- Switch Infinity provides ideal pedaling and descending kinematics
- Long, low, slack geometry loves to go fast and take chances
- TURQ frame is tested to DH standards, backed by lifetime warranty
- Full-length internal cable tunnels simplify maintenance
- Hardware & parts perform reliably at the highest level
- XT 12-speed drivetrain and Fox Factory suspension leave little to be desired
- Item #YTIR16P
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