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Yeti Cycles SB5+ Turq Mountain Bike Frame - 2018

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Item # YTI00BI

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  • Raw, M ($3,400.00)
  • Raw, L ($3,400.00)
  • Raw, XL ($3,400.00)
  • Storm, M ($3,400.00)
  • Storm, L ($3,400.00)
  • Storm, XL ($3,400.00)
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Headstrong and confident.

If you're like us, you probably have fun riding just about any trail in front of you. This can be a blessing and a curse —banging out miles of smiles no matter the trail is great, but come shopping time it can be a total nightmare of weighing whether you want an enduro beast, and all-mountain conqueror, or a quick and nimble cross-country machine. A lot of bikes are great at one category, but rarely does a bike truly excel no matter the trail like the Yeti Cycles 2018 SB5+ Turq Mountain Bike Frame. With the versatility we've come to know and love from the traditional SB5, but geometry tweaks that enable plus-tires, this rock-gobbling steed is ready for any and every ride you embark on.

We didn't see massive transitions in geometry from the SB5 to its plus-sized big brother, the front triangle remained largely the same, but in the back there was a transformation to allow more tire clearance without stretching out chainstays. Still maintaining short and snappy responsiveness, the 17.2-inch stays are elevated and arced up out of the way, so they can maximize space for 3-inch tires caked in mud to clear with ease, without sacrificing the nimble playfulness of a stubby chainstay.

Just in front of the chainstays you'll see the pivotal suspension design that is Switch Infinity. Effortlessly transitioning through travel for silky smooth suspension, Switch Infinity uses a linear path that moves with little resistance, allowing for small bump compliance with minimal squat, so your ride stays smooth while climbing, with little impact on your pedaling efficiency. When you're heading downhill, you'll soak deeper into the suspension, tackling bigger drops and square edge bumps with ease. Combining the Kashima-coated stanchions of Switch Infinity with Fox's Factory DPS, Kashima coated shock is only appropriate, offering you 127mm of ultra-capable travel that's hungry to eat up rock gardens, drops, and rooty tree lines. Yeti's engineers have an eye for perfection and downhill capability, so the head tube is set up with a slacked out 67.1-degree angle for smooth and planted descents that keep you headstrong and confident in gut-twisting lines where hesitation isn't an option.

A complete package should pair a high performance frame with the top level materials, so Yeti offers the SB5+ frame in their high-modulus Turq carbon fiber. Weighing in at a miniscule 5.34lbs, the frame has a flawless balance between compliance and stiffness, with reliable manufacturing techniques that lead to minimal resin pooling, strong joints without excessive materials, and unsurpassable durability. Turq level carbon is the cream of the crop, and on the SB5+ it feels smooth, solid, and aggressive as it tackles every trail you point it down.

The SB5+ is designed to step away from the smaller tires and enter a domain of beefy, trail gripping beasts that want nothing more than to lock you in on loose corners, and keep you feeling confident as they float over gravel and chunky rocks. It has ample clearance for up to a 3-inch tire, and we recommend sticking with Yeti's recommendation on that one, anything larger will test the limits of your spacing, which can spell disaster when things get mud-caked and messy. The frame uses a 44/56mm headset and a PF92 bottom bracket for building your groupset around, but keep in mind that it is not front derailleur compatible and can only be run as a one-by setup.

  • Conquer every trail your heart desires on this 27.5+ machine
  • Switch Infinity offers 5 inches of supple and smooth suspension
  • Descend with confidence from a slack 67.1-degree head tube
  • Cream-of-the-crop Turq carbon pairs stiffness and light weight
  • Handles descents like a dream without compromising climbing

Tech Specs

Frame Material:
high modulus Turq carbon fiber
Switch Infinity
Wheel Size:
Rear Shock:
Fox Factory DPS
Rear Travel:
Head Tube Diameter:
44/56mm tapered
Headset Included:
Bottom Bracket Type:
ISCG Tabs:
Cable Routing:
Front Derailleur Mount:
not front derailleur compatible, 1x setup only
Brake Type:
post-mount disc
Seatpost Diameter:
30.9 mm
Rear Axle:
Recommended Use:
cross-country, enduro, trail
Manufacturer Warranty:
5 year limited



Actual Weight

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

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Claimed Weight

Claimed weights are provided by the vendor.

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Geometry Chart

Yeti Cycles

SB5 Plus
150mm Travel Fork

Seat Tube

Effective Top Tube



Stand Over

Head Tube

Head Tube Angle

Seat Tube Angle

Bottom Bracket Height

Bottom Bracket Drop


M 17.5in 23.6in 23.9in 16.8in 28.6in 3.5in 67.1o 74.1o 13in   17.2in 45.8in
L 19in 24.6in 24.4in 17.6in 29.1in 4.1in 67.1o 74.1o 13in   17.2in 46.9in
XL 20.5in 25.6in 25in 18.5in 29.6in 4.8in 67.1o 74.1o 13in   17.2in 48in

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