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Yeti Cycles SB5 T-Series GX Eagle Complete Mountain Bike - 2018

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    1 Review


    SB5 T-Series GX Eagle Complete Mountain Bike

    Yeti's SB5 T-Series GX Eagle Complete Mountain Bike channels its speedy trail heritage and expands its versatility with a longer, slacker profile that adds an infusion of all-mountain sass to charge bigger lines and push the limits of your capabilities. This ripper of a trail bike handles tight singletrack with the nimbleness of an XC bike but has enough stability to get you down any tricky descent you decide to drop in to. Carrying Yeti's Turq designation, this frame represents the most advanced construction Yeti can create to provide strength where you need it and reduce weight where you don't. For the SB5 Turq, that means a more precise carbon layup, carefully molded to reinforce key stress points along the frame without adding bulk for a claimed weight reduction of 350g compared to the regular version.

    The SB5 is the mountain biker's mountain bike. Known for its versatility, the bike can handle a wide variety of trails and rarely would you ever have a bike capable enough to tackle both an enduro and an XC race. Not only does it do both quite well, it even excels better then some machines built specifically for each discipline. The 66.5-degrees headtube angle lets you pick a line for the steep stuff going down and will confidently guide you through some things you would second guess on other bikes. Climbing up rocky, ledge trails isn't a task, it's a treat. Put the power down and let the excellent suspension claw its way up while your buddies are off their bikes and walking. The 73.6-degrees seat tube angle encourages a powerful pedaling position for cleaning impossible lines and puts your weight right where it needs to be. When all you have is a horizon line on the trail, drop the seatpost and trust this Yeti to get you out of the tightest of situations.

    Boost spacing helps stiffen up the rear end so the suspension is better able to do its job and no power is lost to a flexy rear end. It also allows the chainstays to be placed a little further apart so additional room for bigger tires and mud is available. Stays can be chopped to shorten lengths with the new found space and in combination with the longer reach and wheelbase, you get a bike that can handle high-speed chunder and still thread the needle through a grove of aspens. Balance and versatility defined.

    The only thing we can fault about Switch Infinity is that since Yeti owns the patent, no one else gets to use it. It utilizes a translating pivot that automatically switches direction as the bike moves through its travel. This provides excellent anti-squat characteristics for superior pedaling performance and ideal suspension characteristics as it gets deeper into the travel. Inside are a pair of greased bushings that slide up and down on two Kashima coated rails offering a more linear leverage ratio. Simply put the suspension provides plenty of support for efficient pedaling and climbing, but maintains a bottomless feel as you get deeper into the travel. Here again is that versatility and balance.

    The SB5 was retooled to use a FOX DPS metric shock featuring an exclusive air volume configuration and tune. Working perfectly with Switch Infinity, this results in better mid-stroke compression and small bump sensitivity providing a wider range of riders with a custom feel. A FOX Factory 36 offers 160mm of plush travel and stays on track through the roughest lines. SRAM's GX drivetrain is the workhorse of the Eagle group, offering resilience and plenty of range for long days. Guide R brakes take care of stopping duties with plenty of power and modulation so you can check your speed without immediately losing traction. The Michelin Force AM tires are a a well-balanced option with their low rolling resistance, reasonable weight, and a tread pattern that excels on a wide variety of trail surfaces.

    This frame is constructed from Yeti's TURQ carbon fiber which offers the same durability and stiffness as the standard carbon but sheds about 3/4 of a pound for climbing efficiency. The lay-up techniques of bonding around a mold while curing with minimal resin pooling reduces weight and increases strength in joints without excess material being added. The TURQ carbon frame is the best frame Yeti knows how to construct and it encourages us to push it a little harder knowing that.

    • A versatile 27.5 trail bike for everything from XC to enduro
    • TURQ carbon frame is lightweight, stiff, and resilient
    • 5in of Switch Infinity suspension balances pedaling and shredding
    • Long, slack geometry bails you out on drops and technical lines
    • Boost spacing stiffens the frame and adds extra tire clearance
    • Switch Infinity linkage is a smooth-handling engineering marvel
    • FOX Factory suspension cushions the hits
    • GX Eagle drivetrain for quiet operation, a wide gear range, and infallible chain retention
    • Item #YTI00F1

    Tech Specs

    Frame Material
    high-modulus Turq carbon fiber
    Switch Infinity
    Rear Shock
    Fox Float Factory DPS EVOL
    Rear Travel
    Fox Float 36 Factory GRIP2
    Front Travel
    Cane Creek 40 ZS44/ZS56
    SRAM GX Eagle 12-speed
    Rear Derailleur
    SRAM GX Eagle 12-speed
    ISCG Tabs
    SRAM GX Eagle DUB
    Chainring Sizes
    Crank Arm Length
    Bottom Bracket
    Bottom Bracket Type
    SRAM XG-1275 GX Eagle 12-speed
    Cassette Range
    10 - 50t
    SRAM GX Eagle 12-speed
    SRAM Guide R
    Brake Type
    hydraulic disc
    [front] 180mm SRAM CenterLine Rounded, [rear] 160mm SRAM CenterLine Rounded
    Race Face Aeffect R 35
    Handlebar Rise
    Handlebar Width
    Lizard Skins Charger Evo lock-on
    Race Face Aeffect R 35
    Stem Length
    WTB Volt Comp
    Crank Brothers Highline 2.0 Dropper
    Seat Collar
    [rim] Mercury Enduro Alloy 30mm
    Front Axle
    15 x 110mm Boost
    Rear Axle
    12 x 148mm Boost
    Michelin Force AM
    Tire Size
    27.5 x 2.35in
    not included
    Recommended Use
    enduro, trail
    Manufacturer Warranty
    5 years on frame

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

    Have questions about this product?

    Everything you need for riding trails

    • Familiarity: I've used it several times

    This is a perfect trail bike. Anything from flowing to light downhill, even enduro with some upgrades. This is my third Yeti and the best yet.

    What I like:
    * Switch Infinity, plenty written about how great it is. You can ride all day with the shock in "open". I do find climbing while standing I benefit a small amount switching to the firmer, but only really needed if doing a long climb.
    * GX Eagle. All you want in a price conscious component group. Works perfect for this bike, ride it a bit rough and damage a part you won't need to skip this month's mortgage to replace.
    * Has multiple personalities. On tight curves, the 27.5" wheels allow you to flick around. Downhill the geometry gives you confidence. The bike is just right in most conditions.

    I got this bike from CC with a few upgrades (one was actually a substitution by CC that is a welcome one) The three that make a difference at least for me:
    * Substituted I9 Trail wheelset. Lost some weight and gained some strength I think.
    * Substituted for XT brakes. The Guides are a good brake with better modulation, but I'm used to the more on/off feel of XT, which gives me confidence.
    * Substituted a 36 - 160mm Fox Grip 2 Fork. Gives it some of the "Lunch Ride" personality for the more aggressive trails here in Colorado (I ride trails north of Golden where their employees ride the LR SB5 set up) I like the extra travel, but it does change the geometry a small amount, I under-steered when first riding this bike. I rode an SB5 with 150mm last year but I'd have to ride side by side to really know which I prefer.

    This bike is not "cross country light", but not heavy either. You won't notice any weight penalties with the GX when climbing, the way Yeti designed this frame 200grams here or there won't make a difference. I think carbon wheels, and cockpit could take this bike to the next level, but as-is the bike checks off 98 of the 100 boxes for me.