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Trek Domane SL 6 Gen 4 — 2026 Road Bike

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C$5,999.99C$5,499.97
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  • Overview
  • 500 Series OCLV Carbon endurance frame with rear IsoSpeed and Shimano 105 Di2 wireless electronic 12-speed shifting. Tyre clearance up to 38mm. In stock at both Fresh Air Kelowna locations.

Product details

IN STORE PICKUP OR LOCAL DELIVERY ONLY

Built for riders who love putting in long miles on Okanagan valley road routes, the Trek Domane SL 6 Gen 4 pairs a lightweight, aerodynamic OCLV Carbon frame with rear IsoSpeed to smooth out rough pavement over a full day in the saddle. Shimano's wireless 105 Di2 electronic drivetrain delivers precise, effortless shifting whether you're climbing the Myra Canyon road approach or holding pace through a local gran fondo, and with clearance for tyres up to 38mm, it's equally at home on smooth tarmac or light gravel.

 

 

KEY FEATURES

Frame: 500 Series OCLV Carbon with rear IsoSpeed, internal downtube storage, top tube bag mounts, tapered head tube, internal cable routing, and a full carbon fork with internal brake routing

Drivetrain: Shimano 105 Di2 R7170, fully wireless electronic, 12-speed, 2x with a 50/34 crank, Shimano 105 7101 11-34 cassette, and Shimano SLX M7100 chain

Brakes: Shimano 105 hydraulic disc, Shimano CL700/RT70 centerlock 160mm rotors

Cockpit: Bontrager Comp alloy handlebar and Trek RCS Pro stem (dimensions vary by frame size), KVF aero carbon seatpost, Verse Short Comp saddle

Standout feature: Fully wireless Shimano 105 Di2 shifting paired with hydraulic disc brakes, plus top tube mounts for bolting on a bag without straps or bungees

WHO IS THIS FOR?

This bike is for the road rider who wants the precision of electronic shifting without stepping up to Ultegra or Dura-Ace pricing — someone training for a fondo, tackling the climb up Myra Canyon, or logging big weekend miles on Okanagan valley routes. It suits a rider who values a sleek, fully integrated cockpit and the reliability of hydraulic disc brakes, and who'll appreciate rear IsoSpeed taking the edge off rough Okanagan pavement.

Our team at Fresh Air will help you find the right fit in-store at both Kelowna locations. Stop by to work with one of our experienced staff members, or call 250-763-3425.

HOW TO SET UP

Our team can dial in your fit on the Domane SL 6 Gen 4, setting saddle height and stem length to your body, and checking cleat alignment if you're running clipless pedals. We'll get your Bontrager tyres set up tubeless and pressure adjusted for whatever mix of pavement and light gravel you're riding. Since this build runs Shimano's wireless 105 Di2 drivetrain, we can also walk you through shift button customization and battery charging so everything's dialled before you leave the shop. We offer ongoing servicing to keep your Di2 system and hydraulic brakes running smoothly.

FAQ

Q1: What size Trek Domane SL 6 Gen 4 do I need?
This 2026 model is available in-store in sizes 54, 56, and 58, with the full Domane SL 6 range spanning 44 through 62 and cockpit dimensions scaled per size. General sizing follows rider height, but we always recommend an in-store fit check to dial in reach and saddle position. See the geometry chart link in the Geometry & Sizing section, or come into either Kelowna location and our team will help you find your size.

Q2: Is the Trek Domane SL 6 Gen 4 right for riding Okanagan valley routes?
Yes — with its endurance geometry, rear IsoSpeed comfort tech, and clearance for up to 38mm tyres, this bike is well suited to long days on Okanagan valley roads, climbs like the Myra Canyon approach, and local gran fondos.

Q3: What groupset is on the Domane SL 6 Gen 4 and is it upgradeable?
It comes with a Shimano 105 Di2 R7170 12-speed wireless electronic groupset, delivering precise shifting at a more accessible price point than Ultegra or Dura-Ace Di2. Key components like the wheels, tyres, and cockpit can be upgraded down the line as your riding evolves — our team can talk through options in-store.

SPECS

 

FRAMESET

Frame: 500 Series OCLV Carbon, IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, fender mounts, flat mount disc, 142x12mm thru axle

Fork: Domane SL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle

WHEELS

Wheel Front: Bontrager Paradigm Comp 25, Tubeless Ready, 25 mm rim width, 100x12 mm thru axle

Wheel Rear: Bontrager Paradigm Comp 25, Tubeless Ready, 25 mm rim width, Shimano 11/12-speed freehub, 142x12 thru axle

Skewer Front: Bontrager Switch thru axle, removable lever

Skewer Rear: Bontrager Switch thru axle, removable lever

Tire: Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 120 tpi, 700x32mm

Tire Part: Bontrager TLR sealant, 180 ml/6 oz

Rim Strip: Bontrager TLR

Max Tire Size: 38mm without fenders, 35mm with fenders

E SYSTEM

Battery: Shimano BT-DN300

Charger: Charging cable included

DRIVETRAIN

Shifter: Shimano 105 R7170 Di2, 12 speed

Front Derailleur: Shimano 105 R7150 Di2, braze-on, down swing

Rear Derailleur: Shimano 105 R7150 Di2, 36T max cog

*Crank: Size: 44, 47
Shimano 105 R7100, 50/34, 165mm length

Size: 50, 52
Shimano 105 R7100, 50/34, 170mm length

Size: 54, 56
Shimano 105 R7100, 50/34, 172.5mm length

Size: 58, 60, 62
Shimano 105 R7100, 50/34, 175mm length

Bottom Bracket:  Praxis, T47 threaded, internal bearing

Cassette: Praxis, T47 threaded, internal bearing

Max Chainring Size: 1x: 48T, 2x: 52/36

WEIGHT

 
Weight Limit: This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).
 

 

 

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