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Trek Domane+ SLR 6 105 Di2 is a lightweight carbon electric road bike with a discreet TQ motor and 105 Di2 for smooth, powerful all-road riding.
Trek Domane+ SLR 6 105 Di2 is a lightweight carbon electric road bike with a discreet TQ motor and 105 Di2 for smooth, powerful all-road riding.
Trek

Trek Domane+ SLR 6 105 Di2 Electric Road Bike 2026 in Matte Deep Smoke Black

£6,500.00
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Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Trek Domane+ SLR 6 105 Di2 Electric Road Bike 2026 in Matte Deep Smoke Black

Season:2026

Brand:Trek

Code:46163BLK

The Domane+ SLR 6 is a category-redefining carbon e-road bike. Its lightweight 800 Series OCLV Carbon frame hides a TQ HPR50 motor that gives you a smooth, quiet boost up steep climbs while the 360 Wh battery keeps you going through long miles. You get smooth, wireless shifting from a Shimano 105 Di2 2x12 drivetrain with carbon cranks, a carbon seat post, and alloy wheels and handlebars.

You’re looking for a high-end carbon e-road bike that's super light, super discreet and super quiet. Versatility is important, and you want the ability to roll on everything from smooth tarmac to rough gravel. You also want the advantage of a quick and precise 105 Di2 wireless electronic drivetrain.

A supremely light 800 Series OCLV Carbon frame with rear IsoSpeed. A powerful 50 Nm TQ harmonic pin ring motor that assists up to 15.5 mph (25 km/h in Europe), a 360 Wh integrated battery, an integrated smart LED display and discreet top-mounted controls for toggling through assist modes. Bontrager Paradigm Comp 25 tubeless wheels, Shimano 105 2x12 Di2 wireless electronic drivetrain, carbon cranks, a vibration-absorbing Bontrager Elite IsoZone handlebar and a RCS Pro stem that fully integrates your cables for a sleek look.

A lightweight Domane+ carbon frame and discreet electric drive system give you the added boost you want without sacrificing sleek looks and impressive performance. Plus, wireless electronic Shimano 105 Di2 delivers crisp, fast shifts.

Key Features and Benefits:

  • Range extender compatible:You can add on a Range Extender that fits neatly in the bottle cage
  • TQ harmonic pin ring motor Motor:Discreet, compact, light and whisper-quiet, and offers a powerful assist up to 15.5 mph
  • Adventure-ready Shimano drivetrain:105 2x12 Di2 wireless electronic drivetrain with 32 mm tyres for the road (max 40 mm)

Full Specification:

  • Frame:800 Series OCLV Carbon, TQ drive system, tapered head tube, rear IsoSpeed, internal routing, flat mount disc, mudguard mounts, 142x12 mm thru axle
  • Fork:Domane+carbon, tapered carbon steerer, internal brake routing, mudguard mounts, flat mount disc, 12x100 mm thru axle
  • Motor:TQ-HPR50, 50 Nm, 250 watt maximum continuous rated power, 300 watt peak power
  • Battery:TQ 360Wh
  • Controller:Top-mounted buttons TQ LED display with Bluetooth & ANT+ connectivity
  • Number of Gears:2x12
  • Gear Shifters:Shimano 105 R7170 Di2, 12-speed
  • Chainset:Praxis 50/34T, 12-speed
  • Rear Cassette:Shimano 105 7101, 11-34, 12-speed
  • Chain:Shimano SLX M7100, 12-speed
  • Front Derailleur:Shimano 105 R7150 Di2, braze-on, down swing
  • Rear Derailleur:Shimano 105 R7150 Di2, 36T max cog
  • Bottom Bracket:N/A
  • Pedals: Not supplied:Shop pedals here
  • Rims:Bontrager Paradigm Comp 25
  • Front Tyre:Bontrager Kwaremont Pro GR, tubeless ready, folding bead, dual compound, 120 tpi, 700x32 mm
  • Rear Tyre:Bontrager Kwaremont Pro GR, tubeless ready, folding bead, dual compound, 120 tpi, 700x32 mm
  • Brakes:Shimano RT70, CentreLock, 160 mm
  • Handlebars:Bontrager Comp Alloy, 31.8mm 80mm reach 121 mm drop. 50/52 38cm control width 42cm drop width. 54/56 40 and 44cm. 58/60/62 42 and 46cm.
  • Tape:Bontrager Supertack Perf tape
  • Stem:Trek RCS Pro, -7-degree, 50 80mm length, 52/54 90mm, 56/58 100mm, 60/62 110mm
  • Seatpost:KVF aero carbon, 20 mm offset, 50/52/54/56 280 mm length, 58/60/62 320mm
  • Saddle:Verse Short Comp 145mm
  • Accessories:TQ 4A chargercharger, Max Tyre size 40c without mudguards, 35c with mudguards, Bontrager TLR sealant, 180 ml/6 oz
  • Weight:56 - 12.85 kg / 28.33 lbs This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Size Guide for Trek Domane+ SLR Electric Bikes

This chart can give a recommendation on which size may be best for you, however for the best results, please contact us or visit your local Balfe’s store for a personal consultation and test ride.
Frame SizeRider Height (cm)Rider Height (')Inseam (cm)Inseam (")
47152 - 158 cm5'0" - 5'2"71 - 75 cm28" - 30"
50158 - 163 cm5'2" - 5'4"74 - 77 cm29" - 30"
52163 - 168 cm5'4" - 5'6"76 - 79 cm30" - 31"
54168 - 174 cm5'6" - 5'9"78 - 82 cm31" - 32"
56174 - 180 cm5'9" - 5'11"81 - 85 cm32" - 33"
58180 - 185 cm5'11" - 6'1"84 - 87 cm33" - 34"
60185 - 190 cm6'1" - 6'3"86 - 90 cm34" - 35"
62190 - 195 cm6'3" - 6'5"89 - 92 cm35" - 36"

Geometry for Trek Domane+ SLR

Frame size number50 cm52 cm54 cm56 cm58 cm60 cm62 cm
Wheel size700c700c700c700c700c700c700c
A — Seat tube4547.55052.554.856.758.6
B — Seat tube angle74.6°74.2°73.7°73.3°73.0°72.8°72.5°
C — Head tube length1314.51617.519.52224.5
D — Head angle71.1°71.3°71.3°71.9°72.0°72.1°72.1°
E — Effective top tube51.95354.255.456.757.959.3
G — Bottom bracket drop8887.87.87.57.5
H — Chainstay length43434343434343
I — Offset5.35.35.34.84.84.84.8
J — Trail6.36.26.26.36.36.26.2
K — Wheelbase100.7101.3102.1101.8102.7103.7104.7
L — Standover72.874.776.678.880.882.984.7
M — Frame reach36.837.137.437.73838.338.6
N — Frame stack54.656.157.559.161.163.265.6
Stem length809090100100110110

Warranty Information for Trek:

Lifetime warranty on Frame sets (frame and rigid fork), main frame and full suspension swing arms for the lifetime of the original owner, and Bontrager wheels with carbon rims.

2-year warranty on Rear suspension linkage components, including bearings, rocker link and accompanying hardware and components, Bontrager wheels with alloy rims, Paint and transfers.

For full warranty policy please visit trekbikes.com

Sizing Information
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