2021

Trek Domane SL 4

Name: 2021 Trek Domane SL 4
Brand: Trek

General Endurance

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Colour / Slate/Radioactive Red, Voodoo Trek Black

Size / 44cm, 47cm, 48cm, 50cm, 52cm, 54cm, 56cm, 58cm, 60cm, 62cm

At a glance

The 2021 Trek Domane SL 4 is a General and Endurance carbon road bike. It is priced at $2,400 USD, comes in a range of sizes, including 44cm, 47cm, 48cm, 50cm, 52cm, 54cm, 56cm, 58cm, 60cm, 62cm and a shimano drivetrain. The bike is part of Trek's Domane SL 4 range of road bikes.

- Domane SL 4 Disc is the introductory carbon model in our road-smoothing family and offers incredible performance at a great value. The OCLV Carbon frame has both Front and Rear IsoSpeed for unmatched ride quality that helps you stay stronger longer. It also has an internal storage compartment for ride essentials and powerful disc brakes that give you wider tire clearance and all-weather stopping power.

It’s right for you if…
You want an awesome performance road bike at a great value. You’re looking for a carbon bike with a super smooth ride that will help you perform your best on long rides. You also want the added capability and confidence of disc brakes and wider tires.

The tech you get
A 500 Series OCLV Carbon frame with road-smoothing Front and Rear IsoSpeed, a stable Endurance Geometry, powerful flat-mount disc brakes, and a 2×10 Shimano Tiagra drivetrain.

Plus, a micro-adjust seatmast, fender mounts, and Tubeless Ready wheels wrapped in wider 700×32 tires. Internal storage and cable routing add to the bike’s capability and sleek look.

The final word
Domane SL 4 Disc is the introductory carbon model in the family, but when you make the small jump in price from aluminum models, you get a big jump in tech, including a much lighter frame, Front and Rear IsoSpeed, a full carbon fork, and the added stopping power and tire clearance disc brakes provide.

Why You’ll Love It

- It’s a lightweight carbon bike with disc brakes at an exceptional value, with dependable parts that keep the price in check without compromising performance

- It’s the most affordable bike with disc brakes and IsoSpeed in both the front and rear

- The unique IsoSpeed Carbon fork, which swoops forward toward the dropouts, absorbs vibrations from the road so your arms won’t fatigue as quickly

- This is the gateway to adventure road riding, so you better eat a big breakfast—this bike won’t quit until you do

- A sleek internal storage compartment gives you a versatile spot to stow tools and gear

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Where To Buy

Trek

Trek Domane SL 4

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Reviews

Specifications

Frameset

Frame

500 Series OCLV Carbon, front & rear IsoSpeed, internal storage, tapered head tube, internal cable routing, micro-adjust seat mast, 3S chain keeper, DuoTrap S compatible, fender mounts, flat mount disc

Wheels

Wheels

Front: 12x100mm thru axle
Rear: 142x12mm thru axle
Tires

[F] Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32c

Drivetrain

Crank

Praxis Alba M30, 30mm spindle
Bottom Bracket

Praxis, T47 threaded, internal bearing
Front Derailleur

Shimano 105 R7000, braze-on
Rear Derailleur

Shimano Tiagra 4700, long cage
Shifters

Shimano Tiagra R4720, 10 speed

Components

Brakeset

Shimano Tiagra R4770 hydraulic disc
Handlebar

Bontrager Comp VR-C, alloy, 31.8mm
Saddle

Bontrager Arvada Comp, steel rails
Seatpost

Bontrager carbon seatmast cap, integrated light mount, 20mm offset
Stem

Bontrager Elite, 31.8mm, Blendr compatible, 7 degree
Grips

Bontrager Supertack Perf tape
Headset

FSA Integrated, sealed cartridge bearing, 1-1/8"" top, 1.5"" bottom

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FAQ

Q: How much is a 2021 Trek Domane SL 4?

A 2021 Trek Domane SL 4 is typically priced around $2,400 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: What size 2021 Trek Domane SL 4 should I get?

The 2021 Trek Domane SL 4 comes in sizes 44cm, 47cm, 48cm, 50cm, 52cm, 54cm, 56cm, 58cm, 60cm, 62cm. After measuring your height, use the size chart below to find the typical Trek Domane SL 4 size for your height. Remember that these sizes are a general guide and bike sizes can vary between riders and bikes. The best way to find your size is to go for a test ride.

Rider Height (cm)	Rider Height (in)	Frame Size
148cm - 158cm	4'10" - 5'2"	XS
158cm - 168cm	5'2" - 5'6"	S
168cm - 178cm	5'6" - 5' 10"	M
178cm - 185cm	5'10" - 6'1"	L
185cm - 193cm	6'1" - 6'4"	XL
193cm - 198cm	6'4" - 6'6"	XXL

Endurance

General

Gravel

Touring

Triathlon

Cyclocross