Trek Emonda ALR 4 Road Bike

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

Frame fit

H2

Hub front

Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle

Hub rear

Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142x12 mm thru axle

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

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

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, Blendr-compatible, 7-degree, 100 mm length

Size: 60, 62
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 110 mm length

Brake

Shimano Tiagra hydraulic disc

Brake rotor

Shimano SM-RT70, CenterLock, 160 mm

Weight

56 - 9.33 kg/20.58 lb

Weight limit

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