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Yeti Cycles
SB140 T4 TLR XX1 Eagle AXS 29in Carbon Wheels Mountain Bike

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Current price: $9,200.00 Original price: $11,500.00
20% off

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Why We Like The Yeti SB140 T4 TLR XX1 Eagle AXS 29in Carbon Wheels Mountain Bike

When it comes to mid-travel trail bikes, we favor the SB140 T4 TLR XX1 Eagle AXS 29in Carbon Wheels Mountain Bike from Yeti for its impressively capable design. From a suspension standpoint, 140mm of rear travel is powered by Yeti's renowned Switch Infinity link. The Switch Infinity system has been reinforced, providing even better rear wheel tracking through technical terrain for enhanced traction. 29in wheels front and rear help the bike get up and over rock ledges and square-edge impacts, plus they hold their momentum in the flats. The 65-degree head tube angle on this bike supplies straight-lining stability but holds onto some maneuverability for a reactive feel in tight terrain. The supportive nature of Switch Infinity's pedaling prowess pairs nicely with the steep 77.5-degree seat tube angle to provide an efficient, comfortable climbing position.

This T4 TLR build leaves little to be desired, starting things off with Yeti's top-spec TURQ carbon layup for an ultralight, reactive feel on the trail. The XX1 Eagle AXS drivetrain from SRAM provides lightweight components throughout along with electronic, instant shifting. The Fox Factory 36 GRIP2 fork on this build delivers 160mm of travel to take big, repetitive hits in stride with top-tier performance characteristics and adjustments. EXC 1511 carbon wheels from DT Swiss further cut down weight on this build, and we love their reactive ride feel for finding natural gaps. Thanks to Yeti's Lunch Ride treatment, this bike also sees powerful SRAM Code RSC brakes and a Maxxis Minion DHR II tire out back. This premium build is a very capable quiver killer, and a great option for aggressive riders who don't want to commit to a bigger enduro bike.

*Due to a high demand in the global supply chain and bike industry since the start of the pandemic, material weight and exact components are subject to change. We are working diligently to keep tech specs updated, and any adjustments will be of equal or better spec level. If you have any questions, reach out to a Gearhead by chatting online or calling 1-888-276-7130.


  • Top-tier trail bike boasts all of the modern bells and whistles
  • 140mm of Switch Infinity rear travel tracks predictably in the tech
  • Fox Factory 36 GRIP2 160mm travel fork has loads of adjustments
  • Lightweight SRAM XX1 Eagle AXS drivetrain has instant electronic shifting
  • 29in wheels give a zippy feel and get up and over rock steps
  • Fox Factory Float X shock has lots of settings for fine-tuning
  • SRAM UDH compatibility makes it easier to find replacement hangers
  • DT Swiss EXC 1511 carbon wheels cut weight and accelerate quickly
  • Item #YTIR1H8
Frame Material
TURQ carbon
Switch Infinity
Rear Shock
Fox Factory Float X
Rear Travel
Fox Factory 36 GRIP2
Front Travel
Cane Creek 110 Integrated
SRAM XX1 Eagle AXS, 12-speed
Rear Derailleur
SRAM XX1 Eagle AXS, 12-speed
SRAM X01 Eagle DUB
Chainring Sizes
Crank Arm Length
Bottom Bracket
SRAM DUB BSA 73mm, threaded
SRAM XX1 Eagle XG-1299, 12-speed
Cassette Range
10 - 52t
SRAM XX1 Eagle, 12-speed
Brake Type
4-piston hydraulic disc
[front] SRAM Centerline 200mm, [rear] SRAM Centerline 180mm
Yeti Carbon
Handlebar Width
ODI Elite Pro
Burgtec Enduro MK3
Stem Length
Ergon SM Enduro
Fox Transfer 31.6mm
Seatpost Travel
[small] 150mm, [medium] 175mm, [large, x-large, xx-large] 200mm
DT Swiss EXC 1511, carbon
Front Axle
15 x 110mm Boost
Rear Axle
12 x 148mm Boost
Tire Clearance
29 x 2.6in
[front] Maxxis Minion DHF, EXO, [rear] Maxxis Minion DHR II, EXO
Tire Size
[front] 29 x 2.5in, [rear] 29 x 2.4in
not included
SRAM Universal Derailleur Hanger, dual density downtube protector, chainstay protector
Manufacturer Warranty
[frame] lifetime