Émonda ALR 4 Disc | Trek Bikes (INE)

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  • Émonda ALR 4 Disc
2020

Émonda ALR 4 Disc

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Model 28953

Émonda ALR 4 Disc is a lightweight aluminium road bike with powerful hydraulic disc brakes, a quality drivetrain and a frame that looks and handles like a far more expensive carbon bike. It's perfect for new riders, racers and anyone who values the better braking performance and tyre clearance provided by disc brakes.
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It's right for you if...

You're a value-minded rider looking for a lightweight race bike with the added versatility and performance of disc brakes. You expect a lot of performance for your money and want a quality ride you won't immediately outgrow. 

The tech you get

A lightweight 300 Series Alpha Aluminium frame with shaped tubes and Invisible Weld Technology for the looks and handling of a far more expensive carbon bike, a Shimano Tiagra group set with 20 speeds, an Émonda carbon fork, powerful flat-mount hydraulic disc brakes and internal cable routing in both the frame and fork.

The final word

Émonda ALR 4 Disc is the most affordable road disc model in the line-up, but it handles like a far more expensive bike and has the looks to match. It's an extremely capable racing bike at a great price.

The Walkthrough

favorite_borderWhy you'll love it

  1. Carbon looks and handling, alloy price point: Invisible Weld Technology and shaped tubes for sleek looks, light weight and incredible handling
  2. It climbs fast, corners on rails, and descends with confidence
  3. Disc brakes offer better braking performance and extra clearance for wider, more stable tyres
  4. It shares the geometry of our highest-end carbon Émonda racing bikes, and it gives you a ride quality that stands up in every way to far more expensive carbon bikes
  5. Internal cable routing extends the life of your cables and adds to the bike's sleek look


Features

H2 fit

H2 fit

H2 is the optimal fit to put most riders, including many of our Pro Team athletes, in the right position for power and performance.

Invisible weld technology

Invisible weld technology

Revolutionary welding technology creates a better connection with each tube junction, increasing strength while using less material.

Flat Mount disc brakes

Flat Mount disc brakes

All-new Flat Mount disc brakes are more elegant, lighter, smaller and cleaner than traditional disc brakes, providing superior performance and stopping power under harsh conditions.

Specifications

*spec applies to all sizes unless otherwise noted

Frameset
Frame Ultralight 300 Series Alpha Aluminium, Invisible Weld technology, tapered head tube, Control Freak internal routing, DuoTrap S-compatible, flat-mount disc, 142x12 mm thru axle
Fork Émonda SL full carbon, tapered carbon steerer, internal brake routing, flat-mount disc, 12x100 mm thru axle
Wheels
Front hub Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle
Rear hub Bontrager alloy, sealed bearing, CenterLock, Shimano 11-speed freehub, 142x12 mm thru axle
Rim Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, Presta valve
Spokes 14 g stainless steel, black
Tyre Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x 25 c
Drivetrain
Shifter Shimano Tiagra R4725, short-reach lever, 10-speed
Front derailleur Shimano Tiagra 4700, braze-on
Rear derailleur Shimano Tiagra 4700, long cage, 34T max cog
*Crank Size: 47, 50, 52
Shimano Tiagra 4700, 50/34, 170 mm length
Size: 54, 56
Shimano Tiagra 4700, 50/34, 172.5 mm length
Size: 58, 60, 62, 64
Shimano Tiagra 4700, 50/34, 175 mm length
Bottom bracket Shimano BB71, 86.5 mm, PressFit
Cassette Shimano Tiagra HG500, 12-28, 10-speed
Chain Shimano Tiagra HG54, 10-speed
Components
Saddle Bontrager Montrose Comp, steel rails, 138 mm width
*Seatpost Size: 47
Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 mm length
Size: 50, 52, 54, 56, 58, 60, 62, 64
Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 330 mm length
*Handlebar Size: 47
Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 38 cm width
Size: 50, 52
Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 40 cm width
Size: 54, 56
Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42 cm width
Size: 58, 60, 62, 64
Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44 cm width
Handlebar tape Bontrager Supertack Perf tape
*Stem Size: 47
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length
Size: 50
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length
Size: 52, 54
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length
Size: 56, 58
Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 100 mm length
Size: 60, 62
Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 110 mm length
Size: 64
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 120 mm length
Head set FSA Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
Brake Shimano Tiagra hydraulic disc
Brake rotor Shimano SM-RT70, 160 mm, CenterLock
Weight
Weight 56 - 9.40 kg / 20.73 lbs
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based on Trek pre-production painted frames at the time of publication. Weights may vary in final production.

Sizing & fit

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorised Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

 

Rider Height

Inseam

All measurements provided in cm unless otherwise stated.

Frame size number Wheel size A — Seat tube B — Seat tube angle C — Head tube length D — Head angle E — Effective top tube G — Bottom bracket drop H — Chainstay length I — Offset J — Trail K — Wheelbase L — Standover M — Frame reach N — Frame stack
47 cm 700c 42.4 74.6° 11.5 71.2° 51.3 7.2 41 4.5 6.7 97.4 69.8 36.9 52.2
50 cm 700c 45.6 74.6° 13 72.1° 52.1 7.2 41 4.5 6.1 97.4 70.7 37.4 53.5
52 cm 700c 47.3 74.2° 14 72.8° 53.4 7.2 41 4.5 5.7 97.7 72.9 37.9 54.7
54 cm 700c 48.6 73.7° 15.5 73.0° 54.3 7 41 4.5 5.6 98.1 74.2 38.1 55.5
56 cm 700c 51.3 73.3° 17 73.5° 56 7 41 4 5.8 98.3 76.7 38.7 57.7
58 cm 700c 53.3 73.0° 19 73.8° 57.3 6.8 41.1 4 5.6 99.2 78.6 39.1 59.6
60 cm 700c 55.3 72.8° 21 73.9° 58.6 6.8 41.1 4 5.6 100.1 80.4 39.5 61.5
62 cm 700c 57.3 72.5° 23 73.9° 59.8 6.8 41.2 4 5.5 101 82.2 39.8 63.4
64 cm 700c 59.3 72.3° 25 74.0° 61 6.8 41.3 4 5.5 101.8 84.1 40.1 65.4

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