Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2021 Trek Domane AL 4 Gen 3
Previous used estimate
$838 - $862
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 Trek Domane AL 4 Gen 3
12-month projected trend
14%
Direction and magnitude, not judgment
vs. category average
2%
Drops faster than category avg
Price over time - 2021 Trek Domane AL 4 Gen 3
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Domane model years
Compare Domane AL 4 Gen 3 models
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Overview
About this bike
Domane AL 4 Disc combines the smooth, comfortable qualities of an advanced alloy frame with the performance of higher-quality parts. It features an upgraded drivetrain and crisp hydraulic disc brakes for a fast road bike perfect for competitive group rides and even races.
Specifications
- Subtype
- Performance
- Category
- Road
- Component Rim
- Bontrager Paradigm, Tubeless Ready, 24-hole, 21mm width, presta valve; Bontrager Paradigm, Tubeless Ready, 24-hole, 21mm width, presta valve
- Component Fork
- Domane AL carbon, tapered alloy steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle
- Component Stem
- Bontrager Elite, 31.8mm 7 Degree 70mm Reach, Black
- Component Tire
- Bontrager R1 Hard-Case Lite, Wire Bead, 60tpi, 700x32c, Black
- Component Tube
- Innertube, 700x28-32c, 48mm Presta Valve
- Product Family
- Domane
- Component Brake
- Shimano Tiagra hydraulic disc, flat mount caliper
- Component Chain
- Shimano Deore Chain. Item Number: HG54, 10-Speed, With Pin (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Color
- Black; Teal; White_Greydark; Greydark; Red_Black
- Component Cover
- Frame Hardware, Bontrager DuoTrap Plastic Cover For Aluminum Frames
- Component Crank
- Shimano Tiagra Crankset. Item Number: FC-4700, 2x, 10-Speed, 50-34T, 165mm, HollowTech 2, Not compatible with other 10 speed Shimano groupsets (only with 4700 series) (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Decal
- PVC Chainstay Protector Clear; Stick-On Trek Shield Headtube Badge, Black
- Component Frame
- 100 Series Alpha Aluminum, tapered head tube, internal routing, fender mounts, DuoTrap S compatible, flat mount disc, 142x12mm thru axle
- Component Nipple
- Nipple 14g, 14mm, Brass, Black Finish
- Component Saddle
- Bontrager P3 Verse Comp, steel rails, 155mm width
- Component Spacer
- Headset Spacer, 10mm 1-1/8in, Black; Headset Spacer, 20mm 1-1/8in, Black; Cassette Spacer 11sp to 10sp
- Component Spokes
- Trek Approved Spoke, 14g Round Black; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Steel, Black, 283mm Front Non-Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Steel, Black, 283mm Rear Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Steel, Black, 284mm Rear Non-Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Steel, Black, 287mm Front Drive Side
- Component Washer
- Chainkeeper washer, serrated, 5.25mm ID, 18mm OD
- Component Headset
- Headset FSA E2, 41mm OD Upper / 51mm OD Lower
- Component Cassette
- Shimano GRX Cassette. Item Number: CS-HG500, 10-Speed, 11-12-14-16-18-20-22-25-28-32T. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Fastener
- Bolt M4x0.7x10mm, Steel; Derailleur Hanger Bolt, M3x0.5x12; M5x15mm anodized bolt, black; Water Bottle Boss Plug, Plastic, Black. (For covering unused water bottle holes); Speed Concept Basebar/Stem faceplate bolt
- Component Hub Axle
- Axle kit for RX-342 hubs. Also, required to upgrade to RX-142 hubs to the newer RX-342 freehub.
- Component Hub Body
- RX-342 Freehub with double-row bearing
- Component Rear Hub
- Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12mm thru axle
- Component Seatpost
- Bontrager Approved Alloy 27.2 x 250mm Length 8mm Offset Black
- Component Front Hub
- Formula RX-512 Front Hub, 24h 12mm Thru Axle, 6-Bolt Disc
- Component Handlebar
- Bontrager Comp VR-S, 38cm, Black
- Component Rim Strip
- Bontrager Wide High-Pressure Rimstrip 21mm 700C
- Component Brake Part
- Shimano Flat Mount Disc Adapter, SM-MA-R160D/D
- Component Rear Wheel
- Bontrager Paradigm SL TLR Front Wheel, RX-512 6-Bolt Disc, Shimano 11-Speed Road, Black/Black
- Component Brake Rotor
- Shimano SLX Rotor. Item Number: SM-RT66-S, 160mm, 6-Bolt. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Cable Guide
- BB Cable Guide, w/ Housing Stopper
- Component Chain Guard
- Trek 3S Chainkeeper, 30T to 36T Rings
- Component Front Wheel
- Bontrager Paradigm SL TLR Front Wheel, RX-512 6-Bolt Disc, Black/Black
- Component Rear Skewer
- Bontrager ''Switch'' 12mm Thru Axle, Removable Lever, M12 Thread, 165mm Length, Black
- Component Seat Collar
- Bontrager Seatpost Clamp, 32mm Bolt-On, Black
- Component Front Skewer
- Bontrager ''Switch'' 12mm Thru Axle, Removable Lever, M12 Thread, 122mm Length, Black
- Component Headset Part
- Bontrager Headset Topcap, w/ Star Nut, Black
- Component Frame Fitting
- Trek Cable Management, foam tube to cover housing and reduce noise, 450mm length, 9mm OD, 6mm ID, fits one line of housing only, cut 600mm replacement foam tube to fit
- Component Bike Part Misc
- Seat Stay Fender bridge. Black; Jagwire Inline Barrel Adjuster, for 4mm Housing, Black
- Component Bottom Bracket
- Shimano RS500 Sealed Cartridge Threaded BB
- Component Handlebar Tape
- Bontrager Supertack Perforated, Black
- Component Touch Up Paint
- Paint Color: Gloss Trek Black, TK001-S
- Component Rear Derailleur
- Shimano Tiagra Derailleur Rear. Item Number: RD-4700, 10-Speed, Direct Attachment, GS-Cage, Max 34T, Not compatible with other 10 speed Shimano groupsets (only with 4700 series). (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Front Derailleur
- Shimano Tiagra Derailleur Front. Item Number: FD-4700, 2x10, Clamp band, Not compatible with other 10 speed Shimano groupsets (only with 4700 series) (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Cable Housing Set
- Bontrager Shift Housing 4mm Black
- Component Derailleur Hanger
- Rear Derailleur Hanger, for 12mm Thru-Axle Road, Black
- Bottom Bracket
- Shimano RS500 Sealed Cartridge Threaded BB
- Chain
- Shimano Deore Chain. Item Number: HG54, 10-Speed, With Pin (Visit si.shimano.com for compatibility, manuals and exploded views)
- Seatpost
- Bontrager Approved Alloy 27.2 x 250mm Length 8mm Offset Black
- Saddle
- Bontrager P3 Verse Comp, steel rails, 155mm width
- Handlebar
- Bontrager Comp VR-S, 38cm, Black
- Headset
- Headset FSA E2, 41mm OD Upper / 51mm OD Lower
- Front Derailleur
- Shimano Tiagra Derailleur Front. Item Number: FD-4700, 2x10, Clamp band, Not compatible with other 10 speed Shimano groupsets (only with 4700 series) (Visit si.shimano.com for compatibility, manuals and exploded views)
- Rear Derailleur
- Shimano Tiagra Derailleur Rear. Item Number: RD-4700, 10-Speed, Direct Attachment, GS-Cage, Max 34T, Not compatible with other 10 speed Shimano groupsets (only with 4700 series). (Visit si.shimano.com for compatibility, manuals and exploded views)
- Stem
- Bontrager Elite, 31.8mm 7 Degree 70mm Reach, Black
- Cassette
- Shimano GRX Cassette. Item Number: CS-HG500, 10-Speed, 11-12-14-16-18-20-22-25-28-32T. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Fork
- Domane AL carbon, tapered alloy steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle
- Frame
- 100 Series Alpha Aluminum, tapered head tube, internal routing, fender mounts, DuoTrap S compatible, flat mount disc, 142x12mm thru axle
- Front Hub
- Formula RX-512 Front Hub, 24h 12mm Thru Axle, 6-Bolt Disc
- Rear Hub
- Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12mm thru axle
- Color
- Black; Teal; White_Greydark; Greydark; Red_Black
- Spokes
- Trek Approved Spoke, 14g Round Black; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Steel, Black, 283mm Front Non-Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Steel, Black, 283mm Rear Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Steel, Black, 284mm Rear Non-Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Steel, Black, 287mm Front Drive Side
- Rear Wheel
- Bontrager Paradigm SL TLR Front Wheel, RX-512 6-Bolt Disc, Shimano 11-Speed Road, Black/Black
- Front Wheel
- Bontrager Paradigm SL TLR Front Wheel, RX-512 6-Bolt Disc, Black/Black
- Brake
- Shimano Tiagra hydraulic disc, flat mount caliper
- Cable Housing Set
- Bontrager Shift Housing 4mm Black
- Chain Guard
- Trek 3S Chainkeeper, 30T to 36T Rings
- Crank
- Shimano Tiagra Crankset. Item Number: FC-4700, 2x, 10-Speed, 50-34T, 165mm, HollowTech 2, Not compatible with other 10 speed Shimano groupsets (only with 4700 series) (Visit si.shimano.com for compatibility, manuals and exploded views)
- Decal
- PVC Chainstay Protector Clear; Stick-On Trek Shield Headtube Badge, Black
- Nipple
- Nipple 14g, 14mm, Brass, Black Finish
- Rim
- Bontrager Paradigm, Tubeless Ready, 24-hole, 21mm width, presta valve; Bontrager Paradigm, Tubeless Ready, 24-hole, 21mm width, presta valve
- Rim Strip
- Bontrager Wide High-Pressure Rimstrip 21mm 700C
- Seat Collar
- Bontrager Seatpost Clamp, 32mm Bolt-On, Black
- Tire
- Bontrager R1 Hard-Case Lite, Wire Bead, 60tpi, 700x32c, Black
- Touch-Up Paint
- Paint Color: Gloss Trek Black, TK001-S
- Tube
- Innertube, 700x28-32c, 48mm Presta Valve
- Washer
- Chainkeeper washer, serrated, 5.25mm ID, 18mm OD
- Brake Rotor
- Shimano SLX Rotor. Item Number: SM-RT66-S, 160mm, 6-Bolt. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Cover
- Frame Hardware, Bontrager DuoTrap Plastic Cover For Aluminum Frames
- Derailleur Hanger
- Rear Derailleur Hanger, for 12mm Thru-Axle Road, Black
- Fastener
- Bolt M4x0.7x10mm, Steel; Derailleur Hanger Bolt, M3x0.5x12; M5x15mm anodized bolt, black; Water Bottle Boss Plug, Plastic, Black. (For covering unused water bottle holes); Speed Concept Basebar/Stem faceplate bolt
- Handlebar Tape
- Bontrager Supertack Perforated, Black
- Headset Part
- Bontrager Headset Topcap, w/ Star Nut, Black
- Front Skewer
- Bontrager ''Switch'' 12mm Thru Axle, Removable Lever, M12 Thread, 122mm Length, Black
- Rear Skewer
- Bontrager ''Switch'' 12mm Thru Axle, Removable Lever, M12 Thread, 165mm Length, Black
- Spacer
- Headset Spacer, 10mm 1-1/8in, Black; Headset Spacer, 20mm 1-1/8in, Black; Cassette Spacer 11sp to 10sp
- Brake Part
- Shimano Flat Mount Disc Adapter, SM-MA-R160D/D
- Cable Guide
- BB Cable Guide, w/ Housing Stopper
- Hub Body
- RX-342 Freehub with double-row bearing
- Hub Axle
- Axle kit for RX-342 hubs. Also, required to upgrade to RX-142 hubs to the newer RX-342 freehub.
- Frame Fitting
- Trek Cable Management, foam tube to cover housing and reduce noise, 450mm length, 9mm OD, 6mm ID, fits one line of housing only, cut 600mm replacement foam tube to fit
- Bike Part Misc
- Seat Stay Fender bridge. Black; Jagwire Inline Barrel Adjuster, for 4mm Housing, Black
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.