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Yeti Cycles
SB165 C2 GX Eagle Factory Mountain Bike

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Why We Like The Yeti SB165 C2 GX Eagle Factory Mountain Bike

One of our favorite long-travel enduro/gravity brawlers is back with updates every goat can get stoked about. This year, the SB165 receives a much-appreciated mixed-wheel setup and better downtube clearance and protection. Due to the new 29-inch wheel up front, the SB165 is now fitted with a 170mm fork, dropping 10mm over the previous model to keep the geometry the same. Yeti revised the SB165's progression curve down to a still very plush 22 percent, which now provides more support through the mid-stroke for more capability on a broader range of terrain. 165mm of rear wheel travel powered by the renowned Switch Infinity suspension system ensures confidence and precision when bombing down intimidating descents. The way back up is handled with grace and efficiency thanks to the Switch Infinity's translating pivot design and the steep 76.9-degree seat tube angle, giving us a high anti-squat for unprecedented climbing characteristics combined with forward positioning to ensure efficiency. The slack 63.5-degree head tube, 29-inch front wheel, and long wheelbase give us all the confidence we need for steep trails and aggressive riding, while the 27.5-inch rear wheel and short, size-specific chainstays make for a more agile and poppy bike with a tighter turning radius and more clearance over the rear wheel. Yeti revised its downtube protector on the SB165 this year and went with a dual-density version that features a removable hard cap layered over a rubber inner layer for better impact protection. Additionally, the area where the downtube meets the bottom bracket has been reangled to give us more clearance when sending it in chunky terrain. Additional features on the SB165 include fully enclosed cable routing for a silent, clean-looking ride, shorter seat tubes to ensure room for long-stroke dropper posts, SRAM's Universal Derailleur Hanger for easy replacements, and integrated ISCG-05 and bash guard for protection.

The C2 GX Eagle Factory build of the Yeti SB165 houses reliable components fit for any trail rider and has upgraded Fox Factory suspension. The C-series carbon fiber frame is tested to the same downhill specifications as the higher-end TURQ frame but comes at a slight weight penalty. Next, the SRAM GX Eagle drivetrain equips us with a reliable 12-speed drivetrain with a huge range for climbing the steepest climbs. This build receives upgraded Fox Factory suspension, equipping us with the Factory 38, 170mm fork, and DHX2 coil shock for top-tier suspension performance. The SRAM Code R 4-piston brakes ensure tons of stopping power on tap, while DT Swiss E1900 wheels, premium Maxxis enduro tires, and DT Swiss 370 hubs ensure performance all over the mountain.

*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.


  • Enduro bike for aggressive riding
  • 165mm of Switch Infinity suspension handles the chunkiest trails and can still climb
  • C-series carbon fiber frame has more downtube clearance and better protection
  • Mixed-wheel setup gives us agility and roll-over capability in one
  • Fox Factory DHX2 coil shock soaks up the biggest hits
  • SRAM GX Transmission AXS drivetrain provides precise electronic shifting
  • Fox Factory 38, 170mm fork pounds down chunky descents
  • SRAM Code R brakes have tons of power in a simple package
  • Item #YTIR1LK
Frame Material
C-Series carbon fiber
Switch Infinity
Rear Shock
Fox Factory DHX2, 2-position lever
Rear Travel
Fox Factory 38, GRIP2
Front Travel
Cane Creek 40 Integrated
SRAM GX Eagle, 12-speed
Rear Derailleur
SRAM GX Eagle, 12-speed
ISCG-05, OneUp bash guide
SRAM GX Eagle, XG-1275, alloy, 12-speed
Chainring Sizes
Crank Arm Length
Bottom Bracket
SRAM GX Eagle, 12-speed
Cassette Range
SRAM GX Eagle, 12-speed
Brake Type
[front] SRAM Centerline, 220mm, [rear] SRAM Centerline, 200mm
Burgtec Ride Wide Enduro, aluminum, 35mm
Handlebar Width
ODI Elite Pro
Burgtec Enduro MK3, 35mm
Stem Length
WTB Silverado Custom
OneUp Dropper Post, 31.6mm
Seatpost Travel
[small] 150mm, [medium] 180mm, [large, x-large] 210mm
[front, rear] DT Swiss E1900, 29in, aluminum
[front] DT Swiss 370, [rear] DT Swiss 370, Ratchet LN, 18t
Front Axle
15 x 110mm Boost
Rear Axle
12 x 148mm Boost
Tire Clearance
[rear] 2.6in
[front] Maxxis Assegai, EXO+, TR, [rear] Maxxis Minion DHRII, EXO+, TR
Tire Size
[front] 29 x 2.5, [rear] 27.5 x 2.4in
not included
dual-density downtube protector, chainstay protector, SRAM UDH, 1 water bottle mount, internal frame routing
Manufacturer Warranty
[frame] limited lifetime, [paint, finish] limited 1 year

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