Description
In Stock Items
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Out of Stock or Special Requests
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The Trek Checkpoint ALR 4 is a high-value gravel bike ready for the roads less travelled. Kitted out with a 300 Series Alpha Aluminium frame, the Checkpoint ALR 4 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Tons of features like tubeless-ready wheels, a SRAM Apex 11-speed drivetrain and mechanical disc brakes make Checkpoint ALR 4 the perfect ride for ease of entry into the wide world of gravel.
You’re ready for adventures beyond the beaten path and want a gravel bike that balances budget and capability. The Checkpoint ALR 4 is your ticket to turning every ride into an adventure.
A responsive 300 Series Alpha Aluminium frame, hidden cables that won’t interfere with bags, integrated rack, mudguard and frame bag mounts, a 1×11 speed SRAM Apex drivetrain for smooth shifting on punchy climbs and variable terrain, mechanical disc brakes for ease of stopping quick in all conditions, tubeless-ready rims and wide Bontrager Girona Pro 700x42c gravel tyres for added comfort and traction.
If you’re ready to start exploring every road while taking on the daily grind, the Checkpoint ALR 4 is the ride for you. Versatility is the name of the game and a durable alloy frame, mounts for all kinds of accessories and wide tyres make for comfort and customisation wherever the road, or lack thereof, takes you.
- The durable and capable 300 Series Alpha Aluminium frame makes for a fun, stable and responsive ride
- You get serious versatility that’s suited for a wide variety of ride styles, from gravel and bikepacking to daily commutes
- Massive tyre clearance means you can use tyres up to 45 c for extra traction and stability in any conditions
- Fork, top tube and integrated frame mounts make it easy to carry gear and water
- Powerful mechanical disc brakes make stopping in all conditions easy
| Frame |
300 Series Alpha Aluminium, tapered head tube, Internal cable routing, 3S chain keeper, T47 BB, rack and mudguard mounts, integrated frame bag mounts, flat-mount disc, 142×12 mm thru-axle |
| Fork |
Checkpoint carbon, tapered carbon steerer, rack mounts, mudguard mounts, flat-mount disc, 12×100 mm thru axle |
| Weight |
56 – 9.91 kg / 21.85 lbs (with TLR sealant, no tubes) |
| Weight limit |
This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb). |
| Shifter |
SRAM Apex, 11-speed |
| Rear derailleur |
SRAM Apex 1, long cage, 42T max cog |
| *Crank |
Size: 49
SRAM Apex 1, 40T, DUB Wide, 165 mm length |
Size: 52
SRAM Apex 1, 40T, DUB Wide, 170 mm length |
Size: 54, 56
SRAM Apex 1, 40T, DUB Wide, 172.5 mm length |
Size: 58, 61
SRAM Apex 1, 40T, DUB Wide, 175 mm length |
| Bottom bracket |
SRAM DUB, T47 threaded, internal bearing |
| Cassette |
SRAM PG-1130, 11-42, 11-speed |
| Chain |
SRAM PC-1130, 11-speed |
| Max. chainring size |
1x: 44T (SRAM), 50T (Shimano), 2x: 50/34 |
| Hub front |
Bontrager alloy, sealed bearing, CentreLock disc, 100×12 mm thru axle |
| Skewer front |
Bontrager Switch thru axle, removable lever |
| Hub rear |
Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142×12 mm thru axle |
| Skewer rear |
Bontrager Switch thru-axle, removable lever |
| Rim |
Bontrager Paradigm, Tubeless Ready, 24-hole, 21 mm width, Presta valve |
| Tyre |
Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700×40 mm |
| Tyre part |
Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip |
Bontrager TLR |
| Max tyre size |
See service manual |
| *Saddle |
Size: 49, 52
Bontrager Verse Comp, steel rails, 155 mm width |
Size: 54, 56, 58, 61
Bontrager Verse Comp, steel rails, 145 mm width |
| Seatpost |
Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length |
| *Handlebar |
Size: 49
Bontrager Elite Gravel, alloy, 38 cm width |
Size: 52
Bontrager Elite Gravel, alloy, 40 cm width |
Size: 54, 56
Bontrager Elite Gravel, alloy, 42 cm width |
Size: 58, 61
Bontrager Elite Gravel, alloy, 44 cm width |
| Handlebar tape |
Bontrager Supertack Perf tape |
| *Stem |
Size: 49
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
Size: 52, 54
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length |
Size: 56, 58
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length |
Size: 61
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length |
| Brake |
Tektro C550 mechanical disc brake, dual piston, flat mount |
| Brake rotor |
Tektro, CentreLock, 160 mm |
| Rotor size |
Max brake rotor sizes: 160 mm front and rear |
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, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
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