The Yeti SB165 T-Series Frame is built for riders who want the burly performance of an enduro machine combined with modern agility. With 165mm of rear travel, mixed-wheel compatibility (29″ front / 27.5″ rear), and Yetis refined Switch Infinity suspension system, it delivers both control and composure in rough terrain.

Constructed from Yetis high-end Turq Series carbon, the SB165 T-Series features a threaded BSA bottom bracket, internal cable routing, and geometry tuned for stability and play in steep, rough, or technical descending with real climbing capability when needed.

Yeti SB165 T-Series Frame Specs at a Glance

• Rear Travel: 165mm rear travel paired with long travel front forks for aggressive terrain.
• Frame Material: Turq Series carbon front and rear triangles with size-specific layups for optimal stiffness-to-weight balance.
• Suspension System: Switch Infinity slider system with floating collet pivot axles for durability and smooth performance.
• Wheel Setup: Mixed-wheel geometry (29″ front, 27.5″ rear) to balance rollover and agility.
• Bottom Bracket Type: Threaded BSA 73mm shell with ISCG-05 tabs.
• Geometry Snapshot:
  • Head tube angle: ~63.5
  • Effective Seat tube angle: ~76.8-76.9
  • Chainstay: ~433-439 mm (size-dependent)
  • Reach: ~430-505 mm depending on frame size (S to XL)
• Clearance & Protection: Increased downtube clearance, robust frame protection, and beefed-up chainstay guards.

Design Benefits

1. Gravity-Ready Stability: Long travel, slack front end, and mixed wheels give confidence on steep, rough descents.
2. Agility & Balance: Compact rear triangle and size-specific chainstay lengths maintain nimbleness without sacrificing control.
3. Climbing Versatility: Seat angle and geometry tuned to perform reasonably well uphill despite big travel and aggressive focus.
4. Durability & Maintenance Friendly: Threaded bottom bracket, sealed bearings, strengthened pivots, and internal cable routing reduce wear and fuss.
5. Customization & Fit: Multiple sizes with consistent geometry changes make it easier to find a frame that fits well across the range.

Final Take

The Yeti SB165 T-Series Frame is a top-tier platform for aggressive enduro and freeride riders who want to push harder on the descents without completely sacrificing uphill function. With premium carbon, smart suspension, and geometry that balances raw capability with controllable, precise handling, its built for those who want to go big, rowdy, and fast.