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  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 Detail
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 Detail
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 Detail
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 Detail
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 Detail
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 Detail
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 Detail
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 3/4 Back
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 Detail
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 3/4 Back
  • Yeti Cycles SB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018 Detail
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Yeti CyclesSB4.5 Turq XX1 Eagle Complete Mountain Bike - 2018

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Item # YTI00AG

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Description

SB4.5 Turq XX1 Eagle Complete Mountain Bike

Aggressively sculpted and striking in aesthetic form, the Yeti SB4.5 Turq XX1 Eagle Complete Mountain Bike is certainly one of the most alluring mountain bikes we've feasted our eyes upon. Yet, we'd be amiss to purely focus on its beautiful lines, which turn your attention away from its dazzling trail chops and genre-blurring versatility. Further consider its stunningly light Turq carbon frame, which makes it all too easy to forget just how trail capable the SB4.5 is and that's before you even factor in the truly exceptional XX1 build kit.

The SB4.5 enjoys the steam-rolling benefits of 29-inch wheels, which make easy work of getting up and over trail impediments, such as loose rocks and gnarled roots. However, you'd be mistaken to think of the SB4.5 as some lumbering 29er, as Yeti dialed it with the flickable precision of 17.2-inch chainstays paired with a low-slung 13.1-inch bottom bracket. These numbers mean that despite its bigger wheels, it never feels unwieldy or like too much bike, even when you're slaloming around corners and dodging trail obstacles.

Packing only 4.5-inches of smooth Switch Infinity suspension, your first impression would be to categorize the SB4.5 as a big-wheeled XC machine. However, it's much more than that. Its aggressively long front end with 5.5-inches of travel and 67.4-degree head tube angle fall squarely into the trail category. By relaxing the front end, it's more than eager to eat up jarring stretches of rocky terrain and conquer descents normally reserved for bikes packing another inch or so of rear travel. Despite all this, it's still efficient at pedaling and surprisingly nimble, making it one of the most versatile bikes in the shorter-travel 29er category.

Packing Yeti's famed Switch Infinity Suspension, the SB4.5 lends itself to adventurous rides with its efficient pedaling platform, yet it's never abusive when the trail turns rugged or plunges downhill. Yeti achieves this balance through a patented translating pivot that switches its direction as the bike progresses deeper through its travel, hence its Switch Infinity namesake. Yeti's engineers sought to achieve a suspension platform with distinctive anti-squat characteristics while pedaling and climbing, paired with bump-gobbling plushness that feels deeper than its limited travel suggests on the descent.

Complementing the Switch Infinity's efficient pedaling platform, this particular build enjoys the feathery disposition of Yeti's Turq carbon frame. Turq carbon saves around half and pound over the standard carbon SB4.5 frame, making it ideal for competitive racers and discerning trail enthusiasts alike. Yeti's engineers achieve this feat by using the highest quality carbon, which allows them to reduce the amount of material without sacrificing stiffness. In fact, Yeti claims the SB4.5 is one of their stiffest frames so it seamlessly transmits rider energy into forward-surging momentum.

Leaving no detail overlooked, this range-topping build enjoys the crisp shifting and plentiful gear range of the XX1 Eagle 12-speed drivetrain. It's snappy and stiff DT Swiss XM421 Wheelset offers incredible acceleration and precise tracking through the rough stuff. SRAM's Guide RSC brakes slow things down in a hurry, should your trail bravado cross the line into sketchy territory. It's then finished with an Ergon SME3 Custom saddle and FOX Factory suspension for that extra bling factor.

  • Short-travel 29er with an aggressive trail edge
  • 4.5in of smooth Switch Infinity suspension
  • Geometry is composed on descents, yet climbs efficiently
  • Turq carbon frame shaves around 8oz from standard carbon
  • DT Swiss wheels are stiff and lightweight
  • BOOST front and rear axles increase wheel stiffness
  • SRAM XX1 Eagle drivetrain provides a bailout on climbs
Tech SpecsSize
Tech Specs
Frame Material
TURQ Carbon
Suspension
Switch Infinity
Rear Shock
FOX Factory DPS
Rear Travel
114mm
Fork
FOX Factory 34
Front Travel
140mm
Headset
Cane Creek 40 ZS
Shifters
SRAM XX1 Eagle 12-speed
Rear Derailleur
SRAM XX1 Eagle 12-speed
ISCG Tabs
ISCG-05
Crankset
SRAM X01 Carbon Eagle 12-speed
Chainring Sizes
30t
Crank Arm Length
175mm
Bottom Bracket
SRAM GXP
Bottom Bracket Type
BB92
Cassette
SRAM 1299 Eagle
Cassette Range
10 - 50t
Chain
SRAM XX1 Eagle 12-speed
Brakeset
SRAM Guide RSC
Brake Type
hydraulic disc
Rotors
SRAM Centerline [front] 180mm, [rear] 160mm
Handlebar
Yeti Carbon 35
Handlebar Width
760mm
Grips
Ergon GD2
Stem
Race Face Turbine 35
Stem Length
50mm
Saddle
Ergon SM3 Comp
Seatpost
FOX Transfer
Wheelset
[rims] DT Swiss XM421
Hubs
DT Swiss 350
Front Axle
15mm Boost
Rear Axle
12 x 148mm
Tires
Maxxis Ardent EXO/TR
Tire Size
[front] 29 x 2.4in, [rear] 29 x 2.25in
Pedals
not included
Recommended Use
trail
Manufacturer Warranty
5 years on frame
Size

Yeti Cycles

SB4.5 Carbon
140mm Travel Fork
 

Seat Tube

Effective Top Tube

Stack

Reach

Stand Over

Head Tube

Head Tube Angle

Seat Tube Angle

Bottom Bracket Height

Bottom Bracket Drop

Chainstay

Wheelbase
S 16.5in 22.8in 23.9in 15.6in 29.6in 3.5in 67.4o 73.3o 13.1in   17.2in 44.4in
M 17.5in 23.8in 24.1in 16.6in 29.6in 3.7in 67.4o 73.3o 13.1in   17.2in 45.4in
L 19in 24.8in 24.5in 17.5in 29.6in 4.1in 67.4o 73.3o 13.1in   17.2in 46.4in
XL 20.5in 25.8in 25in 18.3in 29.6in 4.7in 67.4o 73.3o 13.1in   17.2in 47.5in

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