Checkpoint AL 3

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Checkpoint AL 3 may be the introductory gravel bike in the lineup, but it’s packed with features that make it a worthy choice for new and experienced gravel grinders alike, like a lightweight aluminum frame, Shimano drivetrain, thru axles, Tubeless Ready wheels, and disc brakes for better braking power in all weather conditions.

Many of the bicycles available are designed for use on smooth roads, and it is not comfortable to ride them on gravel and similar surfaces. To overcome this problem, Checkpoint has designed the Checkpoint AL 3 which is the entry level bike for use on gravel and other surfaces. The bike is available in six different sizes, 44, 49, 52, 54, 56 and 58 and the buyer should choose the right bike based on the height of the bike rider. The smallest size 44 is for riders of height five feet, and the largest size is suitable for riders of height six feet.


To keep the weight of the bicycle low, while ensuring that it is strong enough to be used on rough gravel surfaces, the frame of the bike is made from alpha aluminum series. There is a provision for rack mounting and fender mounting to carry items while traveling a long distance. The cable management system from control freak will keep the shift, brake housing enclosed so that it does not interfere with the movement of the bike rider. The fork used is made of carbon fiber so that it will absorb any shock while riding over rough surfaces, for a comfortable ride. The bicycle is designed to carry a weight of 275 lb

Drive train

The bicycle has a Shimano Sora front derailleur, rear derailleur, shifter, crank , cassette and chain. It has a 9 speed drive train for smooth speed changes. The bike has a flat mount disc brake system which is smaller, lighter and has more power while stopping compared to the conventional brakes used in bicycles. The bicycle is compatible with Duotrap S, which allows Bluetooth, ANT sensors to measure the various parameters like the speed.


The bicycle is having the latest technology tubeless ready (TRL) system for the road wheels. This ensures that the wheels require lower pressure and offer greater traction on the road. The wheels have stainless steel spokes. Though 700 X 32 Bontranger Hard-case tires are supplied with the bicycle, the user can use wider tires up to 38C in size.


  • Bicycle specially designed for use on gravel surfaces
  • Light weight frame made from high quality aluminum, with rack mount provisions
  • Carbon fiber fork for shock absorption
  • High quality Shimano sora drive train , derailleurs for 9 different speeds
  • Available in six different sizes for cyclists of varying height, can carry a weight of 275 lbs
  • Disc brake uses latest technology and stops bike faster
  • Wheels are designed for tubeless tires, and have greater tire clearance

Specification: Checkpoint AL 3


Trek Bikes



Checkpoint carbon, tapered alloy steerer, rack & fender mounts, flat mount disc, 12x100mm thru axle

Front hub

Formula RX-512 alloy, 6-bolt, 100x12mm thru axle

Rear Hub

Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12mm thru axle


Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21mm width, presta valve


14g aero stainless steel, black


Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32c


Shimano Sora R3000, 9 speed

Front derailleur

Shimano Sora R3000, 31.8mm clamp

Rear derailleur

Shimano Sora R3000, mid cage, 34T max cog

Bottom Bracket

Shimano RS500, 68mm, threaded external


Shimano Sora HG400, 11-32, 9 speed


Shimano Sora HG53, 9 speed


Bontrager Arvada Comp, steel rails, 138mm width

Handlebar tape

Bontrager Supertack Perf tape


FSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom


Tektro C550 mechanical disc brake, dual piston, flat mount, 160mm rotor


56 – 10.50 kg / 23.15 lbs

Weight limit

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

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