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The Trek Dual Sport 4 is a versatile top-of-the-line hybrid that excels on a variety of terrain, so it’s ready for any kind of adventure! 
The Trek Dual Sport 4 is a versatile top-of-the-line hybrid that excels on a variety of terrain, so it’s ready for any kind of adventure! 
Trek

Trek Dual Sport 4 Hybrid Bike 2021 in Trek Black

£900.00 £1,125.00 20% off
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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 £24.99 for collection. If you do not have the original box, we will charge you an additional £15 to provide one.

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We are unable to offer a refund without a valid receipt.

Trek Dual Sport 4 Hybrid Bike 2021 in Trek Black

Season:2021

Brand:Trek

Code:328982021BLK

The Trek Dual Sport 4 is the highest-performance hybrid bike in the line-up. Of all Dual Sport models, it has the most capability to take on the widest variety of terrain. The lightweight frame, 1x11 drivetrain and puncture-resistant Bontrager tyres make it the ultimate hybrid bike for on- and off-road adventures.
The Dual Sport 4 has a higher quality fork with a remote suspension lockout, so your hands never need to leave the handlebar as you adjust your suspension and internal cable routing extends the life of your cables and adds to the bike's sleek look. The Dual Sport 4 has tubeless-ready rims, ergonomic grips and a Blendr stem for easy accessory integration and is easy to accessorise with racks, a kickstand, mudguards, lights, and fitness devices to track your ride data when you add DuoTrap S.
The Dual Sport 4 is the smart choice for performance-minded riders who value comfort, durability and versatility.

Key Features & Benefits:

  • Hydraulic Disc Brakes:Accurate and powerful braking capacity to keep you in control in all weather conditions.
  • Aluminium Frame:Lightweight & durable.
  • 11 speed Shimano Drivetrain:Reliable, with a wide range of gears for all terrain – even the biggest of hills.

Full Specification:

  • Frame: Alpha Gold Aluminium, DuoTrap S-compatible, internal cable routing, rack and mudguard mounts, post-mount disc, kickstand mount, 135x5 mm QR
  • Fork: SR Suntour NRX RL, remote lockout, preload, 100x5 mm QR, 63 mm travel
  • Number of Gears: 11
  • Gear Shifters: Shimano Deore M5100, 11-speed
  • Chainset: ProWheel alloy, 175 mm
  • Chainrings: 42T
  • Rear Cassette: Shimano Deore M5100, 11-51, 11-speed
  • Chain: KMC X11, 11-speed
  • Front Derailleur: N/A
  • Rear Derailleur: Shimano Deore M5100, 11-51, 11-speed
  • Bottom Bracket: Sealed
  • Pedals: Wellgo Black
  • Rims: Bontrager Affinity Disc, Tubeless Ready, 32-hole, 21 mm width, presta valve
  • Front Hub: Shimano M3050, centerlock, 100x5 mm QR
  • Rear Hub: Shimano M3050, centerlock, 100x5 mm QR
  • Front Tyre: Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40 c
  • Rear Tyre: Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40 c
  • Brakes: Shimano MT200 hydraulic disc
  • Handlebars: Bontrager Comp Lowriser, alloy, 31.8 mm, 15 mm rise
  • Handlebar Grips or Tape: Bontrager XR Endurance Elite, lock-on, ergonomic
  • Headset: 1-1/8" threadless, sealed cartridge bearings
  • Stem: Bontrager Evoke
  • Seatpost: Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 330 mm length
  • Accessories: N/A
  • Weight: M - 12.48 kg / 27.52 lbs

Hybrid Bike Sizing Guide

Hybrid bikes as the name suggests are a blend of a road bike and a mountain bike. The fit is a little more precise than a mountain bike, and a little less than a road bike, so you do see a mixture of t-shirt style sizing and measurements in CM and INCHES too. The fit will be more relaxed than a classic road bike though, and is designed to be a little more forgiving and upright.

What is your height?Your suggested bicycle size
Feet/InchesCentimetresSuggested Size
4'10" - 5'2"148cm - 158cmX-Small (13 - 14")33 - 37cm
5'2" - 5'6"158cm - 168cmSmall (15 - 16")38 - 42cm
5'6" - 5'10"168cm - 178cmMedium (17 - 18")43 - 47cm
5'10" - 6'1"178cm - 185cmLarge (19 - 20")48 - 52cm
6'1" - 6'4"185cm - 193cmX-Large (21 - 22")53 - 57cm
6'4" - 6'6"193cm - 198cmXX-Large (23 - 24")58 - 61cm

If you need any more advice on bike sizing for hybrid bikes please contact us and we can help you make the right choice.

Technical Information

Geometry for Trek Dual Sport 4 Men's Hybrid 2021

All measurements provided in cm unless otherwise stated.

Trek Dual Sport 1 Men's Hybrid Bike Geometry Chart

Frame Size Letter Small Medium Large X-Large
Wheel Size 700c 700c 700c 700c
A - Seat Tube 38.1 44.5 50.8 57.1
B - Seat Tube Angle 74.5° 74.0° 73.5° 72.5°
C - Head Tube Length 11.5 12.5 13.5 15.5
D - Head Angle 70.0° 71.0° 71.0° 72.0°
E - Effective Top Tube 57.5 59.0 60.5 63.5
F - Bottom Bracket Height 29.4 29.4 29.4 29.4
G - Bottom Bracket Drop 6.0 6.0 6.0 6.0
H - Chainstay Length 46.0 46.0 46.0 46.0
I - Offset 3.8 3.8 3.8 3.8
J - Trail 8.5 8.2 8.2 7.5
K - Wheelbase 109.6 110.0 110.5 111.0
L - Standover 66.7 76.5 80.8 85.0
M - Frame Reach 41.0 41.6 42.3 43.4
N - Frame Stack 59.5 60.6 61.6 63.9

 

Sizing Information
Frame SizeRider Height (cm)Rider Height (')Inseam (cm)Inseam (")
S155 - 1655'1" - 5'5"72 - 7828 - 30
M165 - 1755'5" - 5'8"77 - 8330 - 32
L175 - 1865'8" - 6'1"82 - 8832 - 34
XL186 - 1976'1" - 6'5"87 - 9334 - 36
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  • Question asked by Hazel on 22/05/2021 14:10:37
    Q: What should the tyres be pump too ?
    A: Bontrager recommend that on the Bontrager GR1 Expert they run at a maximum pressure of 50psi.
  • How do you fit bar ends to this bike?
    Question asked by Simon on 05/04/2021 20:05:33
    This bike is supplied with 'lock-on' bar grips. To remove/adjust the the existing grips an allen key bolt is loosened and the grips can be moved. The end cap will need to be removed also to acconmate the bar ends. I would suggest the addition of theese Ergon grips to still provide the support of the existing gribs with the aditional benefits of bar ends. Please follow this link to our website for further details https://www.balfesbikes.co.uk/components/finishing-kit/ergon-gp2-grip-in-black__1210
    • Home Commute and Leisure Cycling Bikes Trek Hybrid Bikes