SB140 T3 X01 Eagle AXS 29in Mountain Bike
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Why We Like The Yeti SB140 T3 X01 Eagle AXS 29in Mountain Bike
The SB140 T3 X01 Eagle AXS 29in Mountain Bike from Yeti pushes the limits of just how efficient a mid-travel trail bike can be. With 140mm of Switch Infinity travel, it's certainly no slouch on the downhill either. Yeti revised their Switch Infinity linkage by reinforcing it throughout, giving the back of the bike an even more supportive feel under pedaling power. The SB140 sports 29in wheels to make it easier to navigate treacherous off-camber rock rolls and carry momentum over ledges and square-edge hits. The SB140's head tube angle comes in at 65.4 degrees for a relatively slack, stable feel that retains some maneuverability for tight trails and switchbacks. Switch Infinity's supportive design under pedaling pairs well with the bike's steep 77.5-degree seat tube angle, providing an efficient, comfortable pedaling experience.
This T3 build has Yeti's TURQ carbon frame as its foundation, providing a lightweight, stiff feel on the trail. The hybrid XX1/X01 Eagle drivetrain from SRAM delivers instant shifting and a wide gear range for stacking up miles throughout the week. The Fox Factory 36 FIT4 fork with 150mm of travel handles nasty chunk and offers a full lockout for riders who want maximum support on the climbs. Alloy XM1700 wheels from DT Swiss are super durable and do a great job of damping vibrations on descents. This SB140 build is a great choice for someone who wants the descending capability of a mid-travel trail bike, with XC-inspired pedaling performance.
*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.
Details
- 29er trail bike for post-work loops and high-mileage epics
- 140mm of Switch Infinity rear travel tears up descents and climbs
- Fox Factory 36 FIT4 150mm travel fork is efficient and forgiving
- 29in wheels easily maneuver rock ledges and janky trail sections
- SRAM XX1/X01 Eagle AXS drivetrain supplies instant shifting
- DT Swiss XM1700 alloy wheels offer bomber durability
- SRAM UDH compatibility makes finding replacement hangers a breeze
- Fox Factory Float DPS shock is lightweight with lots of adjustments
- Item #YTIR1H7
- Frame Material
- TURQ carbon
- Suspension
- Switch Infinity
- Rear Shock
- Fox Factory Float DPS
- Rear Travel
- 140mm
- Fork
- Fox Factory 36 FIT4
- Front Travel
- 150mm
- Headset
- Cane Creek 40 Integrated
- Shifters
- SRAM XX1 Eagle AXS, 12-speed
- Rear Derailleur
- SRAM XX1 Eagle AXS, 12-speed
- ISCG Tabs
- ISCG-05
- Crankset
- SRAM X1 Eagle DUB
- Chainring Sizes
- 30t
- Crank Arm Length
- 170mm
- Bottom Bracket
- SRAM DUB BSA 73mm, threaded
- Cassette
- SRAM X01 Eagle XG-1295, 12-speed
- Cassette Range
- 10 - 52t
- Chain
- SRAM GX Eagle, 12-speed
- Brakeset
- SRAM G2 RSC
- Brake Type
- 4-piston hydraulic disc
- Rotors
- [front] SRAM Centerline 200mm, [rear] SRAM Centerline 180mm
- Handlebar
- Yeti Carbon
- Handlebar Width
- 780mm
- Grips
- ODI Elite Pro
- Stem
- Burgtec Enduro MK3
- Stem Length
- 50mm
- Saddle
- WTB Silverado Custom
- Seatpost
- Fox Transfer 31.6mm
- Seatpost Travel
- [small] 150mm, [medium] 175mm, [large, x-large, xx-large] 200mm
- Wheelset
- DT Swiss XM1700 or RaceFace ARC 30
- Hubs
- DT Swiss 350
- Front Axle
- 15 x 110mm Boost
- Rear Axle
- 12 x 148mm Boost
- Tire Clearance
- 29 x 2.6in
- Tires
- [front] Maxxis Minion DHF, EXO, [rear] Maxxis Aggressor, EXO
- Tire Size
- [front] 29 x 2.5in, [rear] 29 x 2.3in
- Pedals
- not included
- Extras
- SRAM Universal Derailleur Hanger, dual density downtube protector, chainstay protector
- Activity
- trail
- Manufacturer Warranty
- [frame] lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
5 based on 4 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.Customer Images
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Selecting an option will reload the available reviews on the pageSeptember 7, 2024
Won't keep drinks cold, rips trails
- Familiarity:
- I've put it through the wringer
- Size Bought:
- Large
I'm about two months into riding the SB140 on PNW trails. Only two complaints. The first, my fork was borked ... leaking oil after each ride. After some attempts to fix, Backcountry stepped up and provided a replacement fork. The other complaint is that non-mtb nerds think this bike was made by a company that specializes in plastic coolers and aluminum tumblers. Once you get on the trail ... you won't mind. Climbs like an eeb. Handling is precise but requires a bit more weight over the front vs. driving from the back seat. Overall a dream ride for a mid-travel trail bike. 5 star bike and 5 star customer service from the Backcountry team.
August 16, 2024
Fantastic bike
- Familiarity:
- I've used it several times
I’ve been riding this about three weeks now and love it. Suspension great
Originally reviewed on Competitivecyclist.com
July 12, 2024
New yeti sb140 bike day
- Familiarity:
- I've used it several times
- Size Bought:
- Small
The bike was perfect, arrived early, well packed, and the components were all ready to go. The communication ion was excellent. Will buy from backcountry again! Thank you!
June 21, 2024
Dude, she’s cool!
- Familiarity:
- I've put it through the wringer
- Size Bought:
- Medium
My brother used to date this girl named Abby and we all thought she was a dud, but my brother continued to state that she was the coolest. Anyway, Abby came and went, thank God but the statement “dude, she’s cool!” Has lived on and has been used to indicate when things are indeed quite cool. This bike rides and corners like a dream. Coming from a 27.5 I had ridden multiple 29ers and just couldn’t get them to corner. This thing rides better and corners better than I’m sure Abby did!! It’s light, reactive and bombs the downhill as good as my previous long travel did. If you’re on the fence you should just buy this bike, Abby would approve.
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