Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2023 Trek 1120
Value Guide market data · 2023 Trek 1120
12-month trend
10%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2023 Trek 1120
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All 1120 model years
2023 1120 lineup
Overview
About this bike
2023 Trek 1120 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Fork Rigid Bontrager Carbon Pro 29+ Boost 110x15 Nautical Navy
- Frame
- Alpha Platinum Aluminum, tapered head tube, internal derailleur & dropper post routing, proprietary rack mounts, horizontal sliding dropouts, Boost148, 12mm thru axle
Drivetrain
- Groupset
- Shimano SLX
- Bottom Bracket
- Shimano Bottom Bracket BB-MT500-PA Press-Fit MTB, for 24mm spindle Hollowtech II cranksets, 2.5mm spacer required for 89.5mm wide bottom brackets only, do not install 2.5mm spacer on 92mm wide bottom bracket shells
- Cassette
- Shimano SLX Cassette. Item Number: CS-M7100, 12-Speed, 10-12-14-16-18-21-24-28-33-39-45-51T. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Chain
- Shimano SLX Chain. Item Number: M7100, 12-Speed, With Quick Link (Visit si.shimano.com for compatibility, manuals and exploded views)
- Crank
- Shimano SLX Crankset. Item Number: FC-M7100-1, 1x, 12-Speed, 30T, 170mm, HollowTech 2, Without Chainguard (Visit si.shimano.com for compatibility, manuals and exploded views)
- Derailleur Hanger
- Trek MTB Horizontal Sliding Dropout System for 12mm Rear Thru Axle Frames, Compatible with Superfly SS, Stache 29+, and Farley 2016-2022
- Rear Derailleur
- Shimano SLX Derailleur Rear. Item Number: RD-M7100, 12-Speed, Direct Attachment, SGS Cage, Max 51T, Shadow Plus design. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Shifters
- Shimano SLX Shifter. Item Number: SL-M7100-R, 12-Speed, Rapidfire Plus, Inner Cable Length: 2050mm, Without Optical Gear Display. (Visit si.shimano.com for compatibility, manuals and exploded views)
Brakes
- Brake
- Shimano Deore Brake Set. Item Number: BL-M4100(L) - BR-MT420(F), Resin Pad (without Fin), Post Mount, Hose: SM-BH90-SS, Hose length: 850mm, Compatible brake pads: D03S (Resin). (Visit si.shimano.com for compatibility, manuals and exploded views); Shimano Deore Brake Set. Item Number: BL-M4100(R) - BR-MT420(R), Resin Pad (without Fin), Post Mount, Hose: SM-BH90-SS, Hose length: 1700mm, Compatible brake pads: D03S (Resin). (Visit si.shimano.com for compatibility, manuals and exploded views)
- Brake Pad
- Brake Pad, Shimano D-Series Shape : CONFIRM COMPATIBILITY BEFORE USE. BRAKE SPEC IS SUBJECT TO SUBSTITUTION AND MAY VARY.
- Brake Rotor
- Shimano Deore Rotor. Item Number: SM-RT56-M, 180mm, 6-Bolt, For Resin Pad only. (Visit si.shimano.com for compatibility, manuals and exploded views); Shimano Deore Rotor. Item Number: SM-RT56-S, 160mm, 6-Bolt, For Resin Pad only. (Visit si.shimano.com for compatibility, manuals and exploded views)
Cockpit
- Grips
- Bontrager XR Endurance Grips, 130mm
- Handlebar
- Bontrager Comp Lowriser, 31.8x720mm, 5mm Rise, 9D Bend/4D Upsweep, Black
- Headset
- FSA IS-2/42E/ACB, E2, Integrated, 36 inner/45 outer Chamfer, Industry standard 1-1/8'' to 1.5'' tapered headset with 1.5'' crown race and 41mm OD top bearing cover, black
- Headset Part
- Bontrager Headset Topcap, 1-1/8in, Aluminum, w/ Star Nut, Anodized Black
- Saddle
- Bontrager Saddle Arvada Chromoly Rails Medium Black
- Seatpost
- Bontrager Dropper Seatpost Line 31.6mm 100mm
- Seatpost Part
- Bontrager Line Dropper Seatpost 1x Lever, Left-hand Under bar mounted, Black
- Spacer
- Headset Spacer, 10mm 1-1/8in, Black; Headset Spacer, 20mm 1-1/8in, Black
- Stem
- Bontrager Elite, 31.8mm 7 Degree 60mm Reach, Black
- Stem Part
- Blendr Trip Computer Mount; Blendr Ion Light Mount (Top); Blender Base Mount, Single, for Bontrager Pro stem; Small Parts Kit for Pro Blendr Stem. Includes Mono Base, Ion Mount, Trip Mount, Bolt, and Nut
Wheels & Tires
- Front Hub
- Formula 110mm X 15mm Thru 6-Bolt Disc
- Front Skewer
- Bontrager ''Switch'' 15mm Thru Axle, Removable Lever, M14 Thread, 158mm Length, Black
- Front Wheel
- Sun Duroc 50 29+ Front Wheel, 110mm Boost, 28h DC-611 6-Bolt Disc, Black
- Nipple
- Brass 14g 12mm Silver
- Rear Hub
- Bontrager Rapid Drive 108, Microspline, 148x12, 6 bolt, black
- Rear Skewer
- Bontrager ''Switch'' 12mm Thru Axle, Removable Lever, M12 Thread, 180.5mm Length, Black
- Rear Wheel
- Sun Duroc 50 29+ Rear Wheel, Rapid Drive 108 148mm Boost, 28h 6-Bolt Disc, Black
- Rim
- Sun Duroc 50 SL Rim, 29+, 28h Disc, Black w/ Black Decals
- Rim Strip
- Sun Ringle Tubeless Tape, W48mm, Sun Ringle p/n 281-31724-K003
- Spokes
- Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 286mm Front Non-Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 286mm Rear Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 287mm Front Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 287mm Rear Non-Drive Side
- Tire
- Bontrager XR2 TI, 29x3.0'', 120 TPI
- Tube
- Bontrager Innertube, 29X2.5-3.0, 36mm Presta Valve
Accessories
- Bag
- Trek Bikepacking Harness System For Dry Bags
- Cargo Rack
- Rear Rack Trek 1120 (Max Weight Limit: 12kgs.); Front Rack Trek 1120 (Max Weight Limit: 7kgs.)
- Cargo Rack Part
- Rack Bumpers for Trek 1120 Front Rack
- Decal
- PVC Chainstay Protector Clear; Stick-On Trek Shield Headtube Badge, Silver
- Fastener
- Trek Derailleur Hanger Nut For Hardtail Convert/Stranglehold Dropouts, M17x1.0, 20mm Wrench Flats; Waterbottle Bolt, M5x16mm, Stainless Steel, Silver; M5x18mm socket head bolt
- Nut
- Nut M5, 4mm height
- Seat Collar
- Bontrager Seatpost Clamp, 36.4mm Bolt-On, Black
- Touch-Up Paint
- Paint Color: Matte Nautical Navy, TK525-S
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.