Trek Domane AL 5 Gen 4 2025 - Road Bike
The Domane AL 5 Gen 4 is a fast and capable aluminium endurance bike built for comfort and versatility, with Shimano 105 12-speed shifting, disc brakes, wide tyres and geometry tuned for all-day rides on varied surfaces.
Key Features
- 100 Series Alpha Aluminium frame with endurance-focused geometry
- Domane AL carbon fork with tapered carbon steerer
- Shimano 105 R7100 2x12-speed mechanical drivetrain
- Shimano 105 hydraulic disc brakes, flat mount
- Bontrager Paradigm SL wheels with R1 32mm tyres
- Top tube, mudguard and rack mounts for versatility
- Available with 0% APR finance
The Trek Domane AL 5 Gen 4 is the perfect entry point into road cycling with serious spec and built-in comfort. The 100 Series Alpha Aluminium frame is shaped to deliver a smooth and stable ride, with internal cable routing and integrated mounts giving it a clean, premium finish. The carbon fork with a tapered steerer enhances front-end handling while soaking up road chatter.
You get the performance and reliability of Shimano 105 R7100 12-speed components, including a wide-range 50/34 chainset paired with an 11-34 cassette—perfect for hillier routes or all-day explorations. The hydraulic disc brakes deliver confident stopping in all conditions, whether you’re commuting or heading off on a weekend spin.
Rolling on Bontrager Paradigm SL wheels, this model comes fitted with 32mm Bontrager R1 Hard-Case Lite tyres, giving a great mix of speed, grip and cushioning. There’s room for up to 38mm tyres, so you can easily set it up for light gravel or adventure riding. The flared Bontrager IsoZone handlebar improves comfort and control, especially when tackling rougher terrain.
Mounts for mudguards, racks and a top tube bag mean the Domane AL 5 is ready to adapt to your style—whether that’s daily commutes, big weekend loops or light touring. It’s a versatile, confidence-inspiring road bike that doesn’t compromise on spec, making it a great choice for newer riders or anyone after a capable all-rounder.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | 100 Series Alpha Aluminium, tapered head tube, internal routing, mudguard mounts, flat-mount disc, UDH, 142x12 mm thru axle |
| Fork | Domane AL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle |
| Stem | Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
| Bars | Bontrager Elite IsoZone VR-SF, alloy, 31.8 mm, internal Di2 routing, 75 mm reach, 128 mm drop, 38 cm width |
| Front Brake | Shimano 105 hydraulic disc, flat mount |
| Rear Brake | Shimano 105 hydraulic disc, flat mount |
| Front Mech | Shimano 105 R7100, 31.8 mm clamp, down swing |
| Rear Mech | Shimano 105 R7100, 36T max cog |
| Shifters | Shimano 105 R7120, 12-speed |
| Speed | 24 |
| Rims | Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve |
| Front Hub | Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle |
| Rear Hub | Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142x12 mm thru axle |
| Front Tyre | Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm |
| Rear Tyre | Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm |
| Seat Post | Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 mm length |
| Saddle | Verse Short, steel rails, 145 mm width |
| Chainset | Shimano 105 R7100, 50/34, 165 mm length |
| Bottom Bracket | Shimano RS501 BSA // Prowheel PW-BB73+, 68/73 mm, threaded external |
| Chain | Shimano SLX M7100, 12-speed |
| Cassette | Shimano 105 7101, 11-34, 12-speed |
Trek Domane AL Gen 4 Sizing Guide
| Size | Height cm | Height Feet / Inches | Inseam cm | Inseam Inches |
|---|---|---|---|---|
| 44 | 150 - 153 cm | 4'11" - 5'0" | 71 - 73cm | 28" - 29" |
| 49 | 158 - 163 cm | 5'1" - 5'4" | 74 - 77 cm | 29" - 30" |
| 52 | 163 - 168 cm | 5'4" - 5'6" | 76 - 79 cm | 30" - 31" |
| 54 | 168 - 174 cm | 5'6" - 5'9" | 78 - 82 cm | 31" - 32" |
| 56 | 174 - 180 cm | 5'9" - 5'11" | 81 - 85 cm | 32" - 33" |
| 58 | 180 - 185 cm | 5'11" - 6'1" | 84 - 87 cm | 33" - 34" |
| 60 | 185 - 190 cm | 6'1" - 6'3" | 86 - 90 cm | 34" - 35" |
What size frame do I need if I am between sizes? - read here
Trek Domane AL Gen 4 Geometry Chart
| Size | 44cm | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|---|
| Stack | 510 | 540 | 561 | 575 | 591 | 611 | 646 |
| Reach | 360 | 368 | 371 | 374 | 377 | 380 | 385 |
| Head Tube Length | 95 | 123 | 145 | 160 | 175 | 195 | 235 |
| Head Tube Angle | 70.3° | 70.8° | 71.3° | 71.3° | 71.9° | 72.0° | 72.1° |
| Bottom Bracket Drop | 80 | 80 | 80 | 80 | 78 | 78 | 75 |
| Trail | 66 | 66 | 59 | 59 | 61 | 60 | 63 |
| Fork Rake/Offset | 53 | 53 | 53 | 53 | 48 | 48 | 48 |
| Chainstay Length | 420 | 425 | 420 | 420 | 420 | 425 | 425 |
| Wheelbase | 983 | 1001 | 100.3 | 101.0 | 101.8 | 102.2 | 103.8 |
| Top Tube Length (horizontal) | 505 | 516 | 530 | 542 | 554 | 567 | 586 |
| Standover Height | 657 | 717 | 735 | 754 | 776 | 796 | 842 |
| Seat Tube Length | 390 | 440 | 475 | 500 | 525 | 548 | 576 |
| Seat Tube Angle | 74.6° | 74.6° | 74.2° | 73.7° | 73.3° | 73.0° | 72.7° |
All measurements are in mm unless otherwise stated.
The above table shows the standard geometry for the bicycle as shipped, other geometry configurations may be available with certain bikes. Please contact us via Live Chat to find out more.
Customer reviews and Q&A's are disabled because you declined functional cookies.
To enable reviews and Q&A's click the 'Cookie Settings' button below and enable functional cookies.
Trek Domane AL 5 Gen 4 2025 - Road Bike
Cycle to Work is a salary sacrifice scheme, where you can save up to 42% off a new Bike and Safety equipment. This means the cost is deducted from your salary as a non-cash benefit, so you save on tax and national insurance.
Here at Tredz, we accept Cycle to Work vouchers from all national schemes. For more information click here.
We understand that the Cycle to Work process can be a little slower than we would all like - so to help you pick the perfect ride, we're now offering FREE Cycle to Work Reservations (T&C's apply). Simply speak to a member of our Online Bike Experts Team via Live Chat to discuss your reservation. Find out more here.
At Tredz we make finance easy. You can choose from a range of flexible finance repayments from 6 months up to 48 months, choose to place a deposit and pay the balance on finance. Go with a 0% APR finance deal with absolutely no interest on payments, or a 9.9% APR Buy Now Pay later option with a choice of 12 or 24 deferred payment options, or a longer-term 14.9% APR option with lower monthly payments. For more information click here.
At Tredz, we’re committed to bringing you the best products at the best prices. If you find a product cheaper elsewhere, simply contact us for an immediate response using our live chat service. Click here to discuss your price match with an agent now for help.
Subject to Terms and Conditions
At Tredz, we offer a fast high quality service, with a range of options from free delivery on orders over £30, next day and convenient click & collect from one of our stores. Simply select within the checkout.
*Courier deliveries to Northern Ireland, Isle of Man, Isle of Wight, Channel Islands and the Scottish Highlands/Islands will incur a charge.At Tredz, if you are not 100% happy with your order, then you can use our simple hassle free returns service. Simply return the item new and unused in the manufacturers original packaging within 365 days of purchase. Bikes and larger items are collected by courier.
When you receive your bike, all you'll need to do is unpack it, attach the pedals, turn the handlebars and ride.
To help you get started we have put together a handy Bike Building Guide, click here.