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NEW 2020

Checkpoint AL 4

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£1,250.00 Model 30207

Checkpoint AL 4 is an ideal entry point to the world of gravel riding. It's built with a lightweight aluminium frame and a durable parts group that won't quit on you as your skills advance. Plus, this gravel bike has exceptional versatility. Extra mounts make it easy to add bags and racks for daily commutes and touring.

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It's right for you if...

Your idea of the perfect ride includes chasing the sunlight through a car-free landscape on a long dirt road. You ride for the experience of it, but you also need your bike to have the versatility to take on city commutes and daily around-town rides.

The tech you get

A 200 Series Alpha Aluminium frame with massive tyre clearance, a carbon disc fork, 12 mm thru axles, a 2x10 Shimano Tiagra drive train, mudguard and rack mounts, hydraulic disc brakes for all-weather stopping power, Tubeless Ready wheels and 700x32 Bontrager R1 Hard-Case Lite tyres.

The final word

If you're looking for adventure off the beaten path without breaking the bank, Checkpoint AL 4 is a great choice. This value-minded ride is built for epic gravel rides, but it's equally at home on city streets, your daily commute and more!

favorite_borderWhy you'll love it

  1. This bike is exceedingly versatile and suited to a wide variety of riding styles, including gravel rides, bikepacking and daily commutes
  2. Massive tyre clearance means you can use tyres up to 38 c for extra traction and stability in any conditions
  3. Mounts on the seat tube and both sides of the down tube make it easy to carry extra gear and water
  4. Internal routing protects your cables, even when the gravel gets muddy
  5. Hydraulic disc brakes give you all-weather, all-terrain stopping power that doesn’t get bogged down by mud, grit or gravel


Features

Specifications

*spec applies to all sizes unless otherwise noted

Frameset
Frame 200 Series Alpha Aluminium, tapered head tube, Control Freak internal routing, rack and mudguard mounts, flat-mount disc, 142x12 mm thru axle
*Fork Size: 49, 52, 54, 56, 58, 61
Checkpoint carbon, tapered alloy steerer, rack and mudguard mounts, flat-mount disc, 12x100 mm thru axle
Size: 49, 52, 54, 56, 58, 61
Checkpoint carbon, tapered alloy steerer, rack & fender mounts, flat mount disc, 12x100mm thru axle
Wheels
Front Hub Formula RX-512 alloy, 6-bolt, 100x12 mm thru axle
Rear Hub Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12 mm thru axle
Rim Bontrager Affinity, Tubeless Ready, 24-hole, 21 mm width, Presta valve
Spokes 14 g aero stainless steel
Tire Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 c
Drivetrain
Shifter Shimano Tiagra R4725, short-reach lever, 10-speed
Front Derailleur Shimano Tiagra 4700, 31.8 mm clamp
Rear Derailleur Shimano Tiagra 4700, long cage
*Crank Size: 49, 52
Shimano Tiagra 4700, 50/34, 170 mm length
Size: 54, 56
Shimano Tiagra 4700, 50/34, 172.5 mm length
Size: 58, 61
Shimano Tiagra 4700, 50/34, 175 mm length
Bottom Bracket Shimano RS500, 68 mm, threaded external
Cassette Shimano 10-speed, 11-32T
Chain Shimano Tiagra HG54, 10-speed
Components
Saddle Bontrager Arvada Comp, steel rails, 138 mm width
*Seatpost Size: 49
Bontrager Approved, alloy, 27.2 mm, 8 mm offset, 250 mm length
Size: 52, 54, 56, 58, 61
Bontrager Approved, alloy, 27.2 mm, 8 mm offset, 330 mm length
*Handlebar Size: 49, 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, 61
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: 49
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: 61
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 110 mm length
Headset FSA Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
Brake Rotor 160mm



  • Weight

    Weight
    56cm - 10.59 kg / 23.34 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 A — Seat tube B — Seat tube angle C — Head tube length D — Head angle E — Effective top tube F — Bottom bracket height G — Bottom bracket drop H — Chainstay length I — Offset J — Trail K — Wheelbase L — Standover M — Frame reach N — Frame stack
    44 cm 39 75.5° 9 70.6° 50.5 27.5 8 43 50 7.2 100.2 68.5 36.8 53.1
    49 cm 44 75.0° 10 71.4° 51.8 27.7 7.8 43 50 6.6 100.5 72.3 37.3 54.1
    52 cm 47.5 74.0° 12 71.7° 53.7 27.7 7.8 43 50 64.6 101.1 75.5 37.6 56.1
    54 cm 50 73.5° 13.5 71.8° 54.8 27.9 7.6 43 50 6.4 101.8 77.5 37.8 57.4
    56 cm 52.5 73.0° 15 72.2° 56 27.9 7.6 43 50 6.1 102.1 79.4 38 59
    58 cm 54.8 73.0° 17 72.3° 56.8 28.1 7.4 43 50 6.1 102.8 81.6 38.2 60.7
    61 cm 56.7 73.0° 20 72.6° 58.1 28.1 7.4 43 50 5.9 103.9 83.7 38.6 63.7

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