Trek Checkpoint ALR 4 Gravel Bike 2025
The Checkpoint ALR 4 stands out as the ultimate value proposition in the gravel bike lineup, boasting a 300 Series Alpha Aluminium frame that delivers exceptional responsiveness on rugged gravel terrains while maintaining a smooth performance on paved roads. Loaded with features such as tubeless-ready wheels, a SRAM Apex 11-speed drivetrain, and reliable mechanical disc brakes, the Checkpoint ALR 4 is the ideal choice for those seeking an accessible entry point into the expansive world of gravel cycling.
Enjoy the Adventure with the Trek Checkpoint ALR 4
If you're contemplating a foray into gravel adventures while also desiring a versatile bike for century rides and daily commuting, the Trek Checkpoint ALR 4 is tailor-made for you. This bike opens the door to turning every ride into a thrilling adventure, combining the rugged capabilities needed for gravel exploration with the practicality of a daily commuter.
Equipped with a responsive 300 Series Alpha Aluminium frame, integrated rack and mudguard mounts, a 1x11-speed SRAM Apex drivetrain, and powerful mechanical disc brakes, the Checkpoint ALR 4 ensures a smooth and enjoyable ride. The bike's tubeless-ready rims and wide Bontrager GR1 Team Issue 700x40c gravel tires provide added comfort and traction, making it an ideal companion for diverse terrains. For those ready to embark on a journey of exploration while tackling the demands of daily life, the Checkpoint ALR 4 emerges as the budget-friendly solution, offering versatility through its durable alloy frame, accessory mounts, and wide tires for a customized and comfortable experience on every road, or lack thereof.
Technical Specification
| 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, 142x12 mm thru-axle |
| Fork | Checkpoint, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle |
| Weight | 56 - 9.80 kg / 21.61 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 | SRAM Apex 1, 40T, DUB Wide |
| 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 |
| Hub front | Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle |
| Skewer front | Bontrager Switch thru axle, removable lever |
| Hub rear | Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142x12 mm thru axle |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| Rim | Bontrager Paradigm, Tubeless Ready, 24-hole, 21 mm width, Presta valve |
| Spokes | 14 g stainless steel, black |
| Tyre | Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700 x 40 c |
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager TLR |
| Saddle | Bontrager Verse Comp, steel rails |
| Seatpost | Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length |
| Handlebar | Bontrager Elite Gravel |
| Handlebar tape | Bontrager Supertack Perf tape |
| Stem | Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree |
| Brake | Tektro C550 mechanical disc brake, dual piston, flat mount |
| Brake rotor | Tektro, CentreLock, 160 mm |
| Rotor size | Max brake rotor sizes |
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
Trek Checkpoint ALR 4 Gravel Bike 2025 Sizing
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