Trek Domane AL 4 Gen 4 Road Bike

Trek Domane AL 4 Gen 4 Road Bike

Domane AL 4 is a speedy and versatile road bike that's a perfect starting point for anyone looking to get into road riding. With an Alpha Aluminum frame, clearance for larger tires, a 10-speed Shimano Tiagra drivetrain, top tube mounts, and an all-day road comfort geometry — Domane AL 4 is perfect for casual pedaling, group rides, fast commutes, and even venturing beyond paved paths to most gravel roads.

Specifications:

• Frame: 100 Series Alpha Aluminum, tapered head tube, internal routing, fender mounts, flat mount disc, UDH, 142x12mm thru axle
  
• Fork: Domane AL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle
• Shifter: Shimano Tiagra R4725, 10-speed
• Front derailleur: Shimano Tiagra 4700, 31.8 mm clamp
• Rear derailleur Shimano Tiagra 4700, long cage, 34T max cog
• Crank: Shimano Tiagra 4700, 50/34, 170, 172.5 or 175 mm length depending on frame size
• Bottom bracket: Shimano RS501 BSA
• Cassette: Shimano HG500, 11-32, 10-speed
• Chain: Shimano Tiagra HG54, 10-speed
• Front hub: Formula RX-512 alloy, 6-bolt, 100 x 12 mm thru axle
• Rear hub: Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142 x 12 mm thru axle
• Rims: Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve
• Tires: Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 c
• Saddle: Verse Short, steel rails, 145 mm width
• Seatpost: Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 or 330 mm length depending on frame size
• Handlebar: Bontrager Comp, alloy, 31.8mm, 38 to 44 cm width depending on frame size
• Handlebar tape: Bontrager Supertack Perf tape
• Stem: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 to 110 mm length depending on frame size
• Brakes: Shimano Tiagra hydraulic disc, flat mount
• Brake rotors: RT66, 6-bolt, 160 mm