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This bike is one of the lightest road-tour bikes, so it is ideal for racing and touring due to its lightweight, durability, elegant appearance, and durable disc brakes.
The Trek Emonda ALR 4 Disc is made of lightweight Alpha 300 Series aluminum in tubes formed using invisible weld technology. This bike includes a fork suspension that absorbs vibrations and road bumps, as well as internal cable routing in the frame and fork suspension, a full 2x10 Shimano Tiagra drivetrain, tubeless-ready wheels, and powerful hydraulic disc brakes.
This bike enables riders to get professional performance while biking with its powerful disc brakes, carbon steel frame, and Shimano drivetrain; this gives the bike more versatility while riding.
Internal cable routing protects the cables and adds a more elegant look to the bike. Disc brakes enable the cyclist to obtain high stopping power with the utmost stability and flexibility. The H2 geometry on this bike adds quality and efficiency to the riders' performance as they ride a mountain bike. This bike will enable you to climb quickly, descend with the utmost confidence, and maneuver flexibly and steadily over various roads.
The Trek Emonda ALR 4 Disc is made of premium Alpha 300 Series aluminum, hydroformed to specific size tubes, which provide the rider with a greater balance of strength and lightness.
This bike has flat hydraulic disc brakes that are sleeker and lighter than traditional disc brakes. These brakes help riders obtain high braking power in all weather conditions and on different roads.
Invisible weld technology connects bike parts in a more professional and elegant way to increase bike strength and durability using less material.
The H2 is the best choice for most bicyclists, including many of our professionals, to position themselves for speed and efficiency.
With the support of Bontrager's blender stem technology, you can attach your equipment perfectly and easily to the handlebar.
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 |
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Fork | Émonda SL full carbon, tapered carbon steerer, internal brake routing, flat-mount disc, 12x100 mm thru axle |
Frame fit | H2 |
Hub front | Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle |
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Skewer front | Bontrager Switch thru axle, removable lever |
Hub rear | Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142x12 mm thru axle |
Skewer rear | Bontrager Switch thru-axle, removable lever |
Rim | Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, Presta valve |
Tyre | Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x 25 c |
Max tyre size | 28c Bontrager tires (with at least 4mm of clearance to frame) |
Shifter | Shimano Tiagra R4725, short-reach lever, 10-speed |
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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 |
*Saddle | Size: 47, 50, 52, 54, 56, 58, 60, 62, 64 Bontrager Montrose Comp, steel rails, 138 mm width |
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Size: 47, 50, 52 Bontrager Verse Comp, steel rails, 155 mm width | |
Size: 54, 56, 58, 60, 62, 64 Bontrager Verse Comp, steel rails, 145 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, Blendr-compatible, 7-degree, 100 mm length | |
Size: 60, 62 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 110 mm length | |
Head set | FSA Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom |
Brake | Shimano Tiagra hydraulic disc |
Brake rotor | Shimano RT70, CentreLock, 160 mm |
Weight | 56 - 9.33 kg/20.58 lb |
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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, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
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 |
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47 cm | 700c | 44.4 | 74.6° | 11.5 | 71.2° | 51.3 | 7.2 | 41.0 | 4.5 | 6.7 | 97.4 | 69.8 | 36.9 | 52.2 |
50 cm | 700c | 47.6 | 74.6° | 13.0 | 72.1° | 52.1 | 7.2 | 41.0 | 4.5 | 6.1 | 97.4 | 70.7 | 37.4 | 53.5 |
52 cm | 700c | 49.3 | 74.2° | 14.0 | 72.8° | 53.4 | 7.2 | 41.0 | 4.5 | 5.7 | 97.7 | 72.9 | 37.9 | 54.7 |
54 cm | 700c | 50.6 | 73.7° | 15.5 | 73.0° | 54.3 | 7.0 | 41.0 | 4.5 | 5.6 | 98.1 | 74.2 | 38.1 | 55.5 |
56 cm | 700c | 53.3 | 73.3° | 17.0 | 73.5° | 56.0 | 7.0 | 41.0 | 4.0 | 5.8 | 98.3 | 76.7 | 38.7 | 57.7 |
58 cm | 700c | 55.3 | 73.0° | 19.0 | 73.8° | 57.3 | 6.8 | 41.1 | 4.0 | 5.6 | 99.2 | 78.6 | 39.1 | 59.6 |
60 cm | 700c | 57.3 | 72.8° | 21.0 | 73.9° | 58.6 | 6.8 | 41.1 | 4.0 | 5.6 | 100.1 | 80.4 | 39.5 | 61.5 |
62 cm | 700c | 59.3 | 72.5° | 23.0 | 73.9° | 59.8 | 6.8 | 41.2 | 4.0 | 5.5 | 101.0 | 82.2 | 39.8 | 63.4 |
64 cm | 700c | 61.3 | 72.3° | 25.0 | 74.0° | 61.0 | 6.8 | 41.3 | 4.0 | 5.5 | 101.8 | 84.1 | 40.1 | 65.4 |
152 - 158 cm
5'0" - 5'2"
158 - 163 cm
5'2" - 5'4"
163 - 168 cm
5'4" - 5'6"
168 - 174 cm
5'6" - 5'9"
174 - 180 cm
5'9" - 5'11"
180 - 185 cm
5'11" - 6'1"
185 - 190 cm
6'1" - 6'3"
190 - 195 cm
6'3" - 6'5"
71 - 75 cm
28" - 30"
74 - 77 cm
29" - 30"
76 - 79 cm
30" - 31"
78 - 82 cm
31" - 32"
81 - 85 cm
32" - 33"
84 - 87 cm
33" - 34"
86 - 90 cm
34" - 35"
89 - 92 cm
35" - 36"
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