2025 Trek
Checkpoint ALR 4
An aluminum frame gravel bike with upper mid-range components and mechanical disc brakes.
Manufacturer Price
$1,799| Weight | 21.6 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Rigid |
| Fork | Carbon |
| Wheels | 700c Aluminum |
| Drivetrain | 1 × 11 |
| Groupset | Apex |
| Brakes | Mechanical Disc |
For This Bike
5'1" – 5'5"
5'3" – 5'7"
5'5" – 5'9"
5'8" – 6'0"
5'10" – 6'2"
6'0" – 6'4"
- 5'7", size 54, Fits large
- 5'10", size LG, Just right
- 5'9", size 52cm, Just right
Jan 2024 · Calvin Zajac
Is Trek’s mid-range gravel machine better than its top-end twin? The Checkpoint SL 7 offers adventure on a (slightly) lower budget, but is that enough to beat the competition in our adventure gravel bike group test?
Outstanding versatility
A lot of practical features
High-quality design, boasting first-class workmanship
No chainstay protector
Nov 2023 · Oscar Huckle
How does the Checkpoint platform translate into aluminium?
Well mannered on tamer terrain
Lots of eyelets
Eschews integration
Clean dropper post actuation
Expensive
Not the most exciting ride
Harsh through the front end when unloaded
Oct 2022 · Mat Brett
Get all the details of this fiery red gravel/adventure bike with Trek’s gravel-smoothing IsoSpeed
Sep 2022 · Josh Ross
The Trek Checkpoint is the only bike you need to take you on every adventure
SRAM Rival AXS is the perfect groupset for an all-arounder
Mud-guard mounts
Mounting points for every bag you can think of
Non-proprietary seat-post provides options
Internal storage is convenient
Downtube protection eases worry
Threaded bottom bracket
Ideal all-around gearing
Short stem for added stability means handlebar/knee interference
Lacks included protection for the chain stay
Detail behind the fork steerer collects water and is difficult to clean
Sep 2022 · Steve Williams
Trek's updated aluminum Checkpoint is a surefooted, confidence-inspiring ride that's perfect for ruined back lanes, byways and well-laden travels
Stable and predictable
Comfortable
Great shifting and brakes
Gearing a bit tall for the weight
Could use a dropper post
Aug 2022 · Sam Challis
Neat tricks combined with smart design equals good fun. The Checkpoint SL is the sweetspot in Trek's gravel range
Effective geometry
Sensible spec
Neat extra frame features
Comfortable
Heavy
Non-removable front derailleur mount
Headset cable integration design isn’t watertight
Feb 2022 · Betsy Welch
Rockwell's bike pays tribute her home, and of eras gone by.
Sep 2021 · James Huang
Major geometry changes make for a new personality that’s rowdier, but also perhaps more polarizing.
More forgiving handling, size-specific IsoSpeed tuning on the SLR models, reasonably headache-free cable routing, traditional frame shaping
Handling is more stable but also more sedate, strange bar bend on some models
| Frame | 300 Series Alpha Aluminum, tapered head tube, Internal cable routing, 3S chain keeper, T47 BB, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm thru axle BB Standard: T47, Threaded |
|---|---|
| Fork | Checkpoint, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle |
| Bottom Bracket | SRAM DUB, T47 threaded, internal bearing |
| Stem | Size: 49, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: 52, 54, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: 56, 58, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length; Size: 61, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length |
| Handlebar | Size: 49, Bontrager Elite Gravel, 38cm width; Size: 52, Bontrager Elite Gravel, 40cm width; Size: 54, 56, Bontrager Elite Gravel, 42cm width; Size: 58, 61, Bontrager Elite Gravel, 44cm width |
| Saddle | Size: 49, 52, Bontrager Verse Comp, steel rails, 155mm width; Size: 54, 56, 58, 61, Bontrager Verse Comp, steel rails, 145mm width |
| Seatpost | Bontrager alloy, 27.2mm, 12mm offset, 330mm length Type: Rigid |
| Rear Derailleur | SRAM Apex 1, long cage, 42T max cog |
|---|---|
| Crank | Size: 49, SRAM Apex 1, 40T, DUB Wide, 165mm length; Size: 52, SRAM Apex 1, 40T, DUB Wide, 170mm length; Size: 54, 56, SRAM Apex 1, 40T, DUB Wide, 172.5mm length; Size: 58, 61, SRAM Apex 1, 40T, DUB Wide, 175mm length |
| Shifters | SRAM Apex, 11 speed |
| Cassette | SRAM PG-1130, 11-42, 11 speed |
| Chain | SRAM PC-1130, 11 speed |
| Brakes | Tektro C550 mechanical disc brake, dual piston, flat mount Type: Mechanical Disc |
| Rims | Bontrager Paradigm, Tubeless Ready, 24-hole, 21mm width, Presta valve |
|---|---|
| Spokes | 14g stainless steel, black |
| Front Hub | Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle |
| Rear Hub | Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle |
| Tires | Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40mm |
| Disc Rotors | Tektro, centerlock, 160mm |
Last updated April 27