Trek 1120 frameset

$1,099.99 Sale Save
Color MATTE SOLID CHARCOAL
Size S

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1120 frameset is a bikepackers dream. The rugged all-terrain frame is made for 29+ tires, has loads of mounts for gear, and can run a dropper post. Build it up exactly as you want, and explore the most extreme backcountry destinations in the farthest reaches of the world.
  • This boundary-expanding bike is ready to be spec’d for however you love to adventure
  • Our 1120 rack and durable harness system (sold separately) make it easy to secure 8L bags on the rear rack and additional gear up front for the best packing balance
  • So many mounting features let you set up your ideal expedition ride as you see fit
  • Its also an awesome mountain bike — if youre looking to tear up some singletrack, just pull off the racks
  • The horizontal sliding dropout lets you dial in your geometry and easily convert to singlespeed if your derailleur busts out in the wild


Frame Alpha Platinum Aluminum, tapered head tube, internal derailleur & dropper post routing, proprietary rack mounts, horizontal sliding dropouts, Boost148, 12mm thru axle
Headset FSA Integrated, sealed cartridge bearing, 1-1/8 top, 1.5 bottom

Geometry Chart

B B Drop 7.6
B B Height 31.4
Chainstay Length 44
Eff Top Tube 56
Frame Reach 39.6
Frame Size Letter S
Frame Size Number 15.5
Frame Stack 63.4
Head Angle 70.4°
Head Tube Length 10
Offset 5.1
Seat Tube 39.4
Seat Tube Angle 73.5°
Standover 77.8
Trail 8.5
Wheelbase 108.2
Wheel Size 29+
B B Drop 7.5
B B Height 31.5
Chainstay Length 44
Eff Top Tube 58.6
Frame Reach 42.2
Frame Size Letter M
Frame Size Number 17.5
Frame Stack 63.4
Head Angle 70.4°
Head Tube Length 10
Offset 5.1
Seat Tube 41.9
Seat Tube Angle 73.5°
Standover 79.1
Trail 8.5
Wheelbase 110.8
Wheel Size 29+
B B Drop 7.5
B B Height 31.5
Chainstay Length 44
Eff Top Tube 61.9
Frame Reach 45.1
Frame Size Letter L
Frame Size Number 19.5
Frame Stack 64.2
Head Angle 70.3°
Head Tube Length 11
Offset 5.1
Seat Tube 47
Seat Tube Angle 73.5°
Standover 79.2
Trail 8.5
Wheelbase 114.2
Wheel Size 29+
B B Drop 7.5
B B Height 31.5
Chainstay Length 44
Eff Top Tube 64.3
Frame Reach 47.1
Frame Size Letter XL
Frame Size Number 21.5
Frame Stack 65.1
Head Angle 70.3°
Head Tube Length 12
Offset 5.1
Seat Tube 52.1
Seat Tube Angle 73.5°
Standover 79.2
Trail 8.6
Wheelbase 116.6
Wheel Size 29+