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Yeti CyclesSB100
Carbon C2 GX/X01 Eagle Mountain Bike

Sale 5% OffCurrent price:$5,414.97 Original price:$5,699.00

Item # YTIR16I

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  • Turquoise, L ($5,414.97)
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Item # YTIR16I

SB100 Carbon C2 GX/X01 Eagle Mountain Bike

You're here to crush climbs, and race through ribbons of cross country singletrack, but that doesn't mean on your days off you don't crave adventure that waits beyond the local trail network. Yeti's SB100 Carbon C2 GX/X01 Eagle Mountain Bike gets it. While some might look at its modern XC geometry and set it aside for race days alone, we'd argue that it's more of a "downcountry" steed, built to rocket through the masses and push towards the podium on the climbs, and put in some serious distance between you and second place on ripping descents. It's built with swift, steep geometry that charges up technical climbs with vigor, while Switch Infinity's suspension prowess allows it to perform like a trail bike when you point it downhill, offering you more confidence than your average 4-inch travel ride can muster up. Yeti packs in this particular build with a perfect blend of pocket-friendly and performance-oriented components, putting your money where it matters most, like a snappy SRAM X01 Derailleur and DT Swiss hoops, and balancing it with the workhorse GX Eagle components to keep your wallet happy.

We typically think of cross-country bikes as one trick ponies that barely trouble the scale, which makes going uphill less of a chore. But when pointed downhill, the borderline anorexic builds can be slightly unnerving and even the most confident riders are faced with a good test of faith when pushed through the paces saddled up on a feathery whip on technical descents. Fortunately, the SB100, has some pretty good lineage to draw inspiration from and even though the geometry and suspension have cross country riding and racing on its mind as the intended purpose, it's hard not to notice the trail and enduro highlights that bleed over from Yeti's longer travel offerings.

The brief exodus from the XC scene allowed for a few reboots and allowed Yeti to truly build a no-compromise bike that could climb and descend, not just one that was great at one and mediocre at the other. A 67.8-degree headtube angle might look more appropriate on a trail bike and on paper it would appear that it would detract from the nimble handling and quick steering XC bikes are known for. Yeti has a few tricks up its sleeve, however, and spec'd a FOX 34 Step-Cast fork with a 44mm offset. After a bit of experimentation, Yeti found this reduction in fork rake improves your weight distribution on the bike, offering a bit more downhill stability without compromising its ability to clean tight switchbacks on climbs and negotiate around trail obstacles at slower speeds.

The 74 to 74.3-degree seat tube angle (depending on size) puts you on top and in control of your bike and offer maximum pedaling efficiency for marathon 24-hour stretches or for those lucky enough to have the time off work, a stage race. The wheelbase also walks the tightrope of being nimble and offering stability so you can blitz through the techy bits without wondering if you'll blow it through the berm on the next turn. A departure from the ASR, this rear end is updated with Boost spacing, which allows for wider hub flange spacing and better bracing angles to stiffen things up. It also allowed Yeti to hack off a little length on the chainstays and they now sit at 17.2-inches, so you have plenty of rear wheel traction for competent climbing while remaining agile through tight singletrack. Other notable frame features include internal tubed cable routing for silent operation and easy setup, and an uninterrupted seat tube allowing for maximum dropper post compatibility.

The Switch Infinity platform, utilized on all Yetis all the way up to the EWS-winning SB150, has been redesigned specifically for 100mm of travel on this model. It’s light, and tucks behind the seat tube, sitting in its own compartment out of the way of wheel spray and errant trail debris. This design also allows the front triangle to accommodate larger water bottles, a welcome feature for any rider. We feel like this a move in the right direction even if it does come with a few added grams over the ASR's single pivot, as every Yeti we've ridden with Switch has awesome climbing efficiency without infringing on its descending prowess. Yeti gets high marks for creating a very capable 100 millimeter travel bike, with a stiff and responsive ride that rarely feels out of place, short of trails where we'd don body armor and a full-face. Beefy pivots offer incredible lateral stiffness that tracks so confidently through blown out washboard trails and minefields that, in the back of our minds we have to remind ourselves that we are pointing and shooting on an XC bike. The Switch platform on this bike operates in the same manner as on Yeti's other bikes—meaning supple off the top while transitioning into excellent mid-stroke support before ramping up as you test all 100 millimeters on offer. Pair this action with the silky-smooth FOX DPS shock and you'll swear that the rear end is packing more travel than the numbers show.

This SB100 is built using Yeti's standard carbon fiber construction. While this might not hold the same clout as its TURQ designated sibling, it still boasts a robust, stiff layup that's lighter than an alloy counterpart, albeit with a little more carbon than the TURQ, which ads on a couple of extra grams to the over all weight. Yeti's carbon layup aims to balance stiffness, impact resistance, and light weight with the depth of your bank account, opting to save you some cash for a new kit, at the expense of scaling in with a few more grams.

This build is topped off with more of that fine balance we like between affordability and performance. Yeti employs a combination of SRAM's GX and X01 Eagle drivetrains, with X01 hits where we want it most, like the rear derailleur, and GX where the performance gains don't impact the ride quite as much. This is continued with FOX's suspension package, treating you to a Performance rear shock and fork to soak up big hits, while meaty Maxxis tires help you keep your speed in check when you're barreling through technical descents with a new PR in mind.

  • A "downcountry" steed ready to soar up climbs and rip steep descents
  • 4in of smooth, highly efficient Switch Infinity suspension
  • 67.8° head tube angle balances agility with stability
  • Beefy tires, dropper post, and 34mm SC fork for aggressive riders
  • Main triangle has plenty of room for larger water bottles
  • Carbon frame is backed by a lifetime warranty for good measure
  • Balance of SRAM X01 and GX Eagle components make the most of your budget, while offering crisp shifting

California Proposition 65


Cancer and Reproductive Harm -

Tech Specs
Frame Materialcarbon fiber
SuspensionSwitch Infinity
Rear ShockFox Performance DPS
Rear Travel100mm
ForkFox Performance 34
Front Travel120mm
HeadsetCane Creek 40 Integrated
ShiftersSRAM GX Eagle
Rear DerailleurSRAM X01 Eagle
CranksetSRAM X1 Eagle
Chainring Sizes30t
Crank Arm Length[small] 170mm, [medium, large, extra-large] 175mm
Bottom BracketSRAM DUB
Bottom Bracket TypeBB92
CassetteSRAM GX Eagle 1275
Cassette Range10 - 50t
ChainSRAM GX Eagle
BrakesetSRAM Level TLM
Brake Typepost-mount disc
RotorsSRAM Centerline, [front] 180mm, [rear] 160mm
HandlebarRace Face Aeffect R 35
Handlebar Width760mm
GripsODI Elite Pro
StemRace Face Ride 35
Stem Length50mm
SaddleWTB Volt Custom
SeatpostFox Transfer Dropper, [small] 125mm travel, [medium, large] 150mm travel, [x-large] 175mm travel
WheelsetDT Swiss M1700, 25mm
Front Axle15 x 110mm Boost
Rear Axle12 x 148mm Boost
Tires[front] Maxxis Minion DHF EXO, [rear] Maxxis Aggressor EXO
Tire Size29 x 2.3in
Pedalsnot included
Recommended Usecross-country
Manufacturer Warrantylifetime on frame

120mm Travel Fork

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What do you think about this product?


>Rating: 5

fun never looked so good

I've used it several times

XC bikes are not my thing so I had no problem with taking the Yeti SB100 out for a weekend of tech climbing, loam carving in the trees with a little rock garden smashing thrown in. I don't feel the SB100 is a true XC bike, I think it's built for someone who likes to go out and have a great time ripping it up no matter the terrain. Sure you probably don't want to enter the local enduro, but you could! The Version I got to ride in our demo fleet was a Large ( a bit big for me i'm a medium in Yeti) with AXS X01 Eagle, Factory shock, I9 Hydra 310 Carbon wheels and a Helm Fork, yeah I did feel a bit spoiled! I really enjoyed the bike and also had the Pivot Trail 429 at the same time. The Yeti was able to make me feel almost invincible on the tech climbs, maybe that was Hydra help who knows. I was punching it up everything I could find and just generally ripping and pedaling as hard as I could. It just never felt like I was going fast enough, now granted I was flying (for me) and pushing it everywhere I could. Not once did this bike ever let me down. I would say the only negative thing in my opinion is that it just didn't feel as light and playful as the other bikes that I've ridden in the same class. Now it's not a weight thing as I've weighed each one and the Yeti was a touch lighter, so maybe it was the size. Take all this with a grain of salt as ALL the bikes are really good and it's not like you can pick a bad one anyway. If you really want to narrow it down, buy the bike that looks like you want to go out and ride it! What's that you say, you don't want to take my word for it? Well then feel free to email me at and I'll check the demo tour in your area and we'll get you out on one. Pros: Begs you to go faster Efficient pedaling Feels like it has more travel than it does Cons: More tire clearance would love to fit a 2.6" Feels heavy (it's not) High Speed corner exits (probably due to the frame size) Rider Details: 5'9" 32" Inseam / 180 lbs. Sag 30% rear (seated) 20% front (standing) Version Ridden: Turq X01 AXS w/ Factory shock size Large Upgraded Cane Creek Helm 120 fork Upgraded SDG Radar Saddle Upgraded I9 Enduro 310 Carbon Hydra wheels Pedals: Deity TMAC