Quick Verdict
The Specialized Diverge 3 Alloy is the better all-round gravel bike, while the Trek Checkpoint ALR 3 is the better pick for bikepacking and rough gravel. Both have an aluminum frame, a full carbon fork, 12mm thru axles and Shimano CUES 10-speed gearing. The Diverge ($1,599.99) adds hydraulic disc brakes and a 2×10 drivetrain with a taller top gear; the Checkpoint ($1,499.99) is $100 cheaper, slightly lighter, takes 50mm tires and has more mounts, but it uses mechanical disc brakes.
The Specialized Diverge and the Trek Checkpoint are the two gravel bikes most riders shortlist first, and the aluminum versions are where most people actually buy. In 2026 the entry models are the Diverge 3 Alloy (Specialized’s new name for the Diverge E5) at $1,599.99 and the Checkpoint ALR 3 Gen 3 at $1,499.99, both from the brands’ own US stores.
On paper they look very similar: aluminum frame, carbon fork, thru axles, Shimano CUES 10-speed, and a ride that works on pavement as well as on dirt roads. If you’re still deciding between price levels, our guides to the best gravel bikes under $1,000 and the best gravel bikes under $1,500 cover the wider market.
The differences are in the details that matter after a few hundred miles: brakes, gearing, tire clearance and how much you can bolt to the frame. Below we compare the current specs side by side, then tell you which one fits which rider.
At a Glance
Diverge 3 Alloy vs Checkpoint ALR 3 Specs
| Spec | Specialized Diverge 3 Alloy | Trek Checkpoint ALR 3 Gen 3 |
|---|---|---|
| Price | $1,599.99 (specialized.com) | $1,499.99 (trekbikes.com) |
| Frame | Diverge E5 Premium Aluminum, internal routing, threaded BSA BB | 300 Series Alpha Aluminum, internal routing, T47 BB, UDH |
| Fork | FACT full carbon, 12x100mm thru axle | Checkpoint full carbon, 12x100mm thru axle, rack and fender mounts |
| Drivetrain | Shimano CUES 2×10, 46/32T crank | Shimano CUES 1×10, 40T crank |
| Cassette | CUES LinkGlide 11-39 | CUES LinkGlide 11-48 |
| Brakes | Shimano CUES hydraulic disc | Tektro C550 mechanical disc, 160mm rotors |
| Wheels | AXIS Sport Disc | Bontrager Paradigm 23, tubeless ready |
| Tires | Specialized Pathfinder 700x40mm, wire bead | Bontrager Girona Comp 700x42mm, wire bead |
| Max tire size | 47mm (700c), 2.1″ (650b) | 50mm without fenders, 42mm with fenders |
| Mounts | Rack mounts, fork and top tube mounts | Rack, fender, fork and frame bag mounts |
| Claimed weight | 23 lb 1.7 oz (56cm) | 22.96 lb (ML) |
| Sizes | 44, 49, 52, 54, 56, 58, 61 | XS, S, M, ML, L, XL (4’8″–6’8″) |
| Geometry (56 / ML) | Reach 392mm, stack 599mm, 71.75° head angle | Reach 397mm, stack 611mm, 72.2° head angle |
Specs and prices from specialized.com and trekbikes.com, checked in November 2026. The Diverge 3 Alloy was sold as the Diverge E5 until recently, and some shops still use that name. Prices change often and both brands run sales, so check the current price before you buy.
Gear For Your Gravel Rides
Frame and Fit
Frame, Fit and Sizing
Both frames are aluminum with a full carbon fork, internal cable routing and 12mm thru axles front and rear. Specialized uses its Diverge E5 Premium Aluminum tubing with a threaded BSA bottom bracket. Trek’s 300 Series Alpha Aluminum frame uses a threaded T47 bottom bracket and a UDH (universal derailleur hanger), so replacement hangers are easy to find and the frame is ready for newer direct-mount derailleurs.
The geometry is close. In the 56cm Diverge and the ML Checkpoint (the same frame size), the Trek has a 12mm taller stack (611 vs 599mm) and 5mm more reach, so it puts you in a slightly more upright, stretched position. The Diverge has a slacker 71.75° head angle and a lower bottom bracket (80mm vs 76mm drop), which makes it feel planted on loose descents. Chainstays are almost identical at 432 and 435mm.
Sizing favors Specialized at the small end and Trek at the tall end. The Diverge comes in seven sizes starting with a 44cm frame for riders around five feet tall. The Checkpoint comes in six sizes, XS to XL, and Trek lists a rider range of 4’8″ to 6’8″, so very tall riders have an easier time on the XL.
Drivetrain
Drivetrain and Gearing
Both bikes use Shimano CUES, a durable, budget-friendly group with LinkGlide cassettes that shift smoothly under load. The setups are different, though. The Diverge 3 Alloy runs a 2×10 drivetrain with a 46/32 crank and an 11-39 cassette. The Checkpoint ALR 3 runs a 1×10 drivetrain with a 40T chainring and a wide 11-48 cassette.
The lowest climbing gear is almost the same on both (32×39 vs 40×48). The difference is at the top: the Diverge’s 46×11 is about 15% taller than the Checkpoint’s 40×11. At 90 rpm that’s roughly 31 mph against 27 mph, and the Diverge also has smaller jumps between gears, which helps you hold a steady cadence on flat roads and in group rides.
The Checkpoint’s 1x setup is simpler: one shifter, no front derailleur to adjust and less to clog with mud. If most of your miles are on gravel, climbs and singletrack connectors, that simplicity is worth more than the extra top-end speed.
Brakes
Brakes: Hydraulic vs Mechanical Disc
This is the biggest difference between the two bikes. The Diverge 3 Alloy has Shimano CUES hydraulic disc brakes. The Checkpoint ALR 3 has Tektro C550 mechanical disc brakes with 160mm rotors, operated by cables from the CUES levers.
The Tektro C550 is a good mechanical brake, with dual pistons so both pads move, but cable brakes still need more lever force, need adjusting as the pads wear, and lose some feel when the cables get dirty. Hydraulic brakes self-adjust for pad wear and give more power with one or two fingers, which you notice on long descents and in the wet. Trek puts hydraulic CUES brakes on the next model up, the Checkpoint ALR 4 at $1,899.99.
Wheels and Tires
Tires, Wheels and Clearance
The Checkpoint ships with slightly wider tires, 42mm Bontrager Girona Comp, on Bontrager Paradigm 23 rims that are tubeless ready. The Diverge ships with 40mm Specialized Pathfinder tires, which have a smooth center strip that rolls quickly on pavement and hardpack. Both stock tires are wire bead, so a lighter folding tire is a worthwhile first upgrade once the originals wear out (see how long gravel bike tires last).
Clearance favors Trek too: up to 50mm without fenders (42mm with fenders) on the Checkpoint, and 47mm on 700c wheels (or 2.1″ on 650b) on the Diverge. Both are more than enough for most gravel roads. Run the right tire pressure for your weight and surface and either bike will be comfortable on washboard and loose chunk.
Claimed weights are almost identical: 23 lb 1.7 oz for a 56cm Diverge and 22.96 lb for an ML Checkpoint. On pavement, neither will keep up with a light road bike, but the gap is smaller than most people expect – our guide on whether a gravel bike is as fast as a road bike explains why tires and position matter more than frame weight.
Mounts and Extras
Mounts, Bikepacking and Everyday Use
Both bikes have rack mounts and fork mounts, and the Diverge adds a top tube mount for a snack bag. The Checkpoint goes further with fender mounts on the frame and fork, rack mounts on the fork and integrated frame bag mounts, and Trek lists a 275 lb maximum total weight for rider, bike and cargo. That makes it the easier bike to set up for bikepacking, loaded touring and year-round commuting.
The Diverge is a bit more of a fast all-rounder: the 2x gearing and quick-rolling Pathfinder tires suit mixed rides that link roads, rail-trails and gravel. You can still carry bags on it, just with fewer mounting options.
Price and Value
Price and Value
The Checkpoint ALR 3 is $1,499.99 and the Diverge 3 Alloy is $1,599.99, so Trek is $100 cheaper. For that $100, Specialized gives you hydraulic brakes and a 2x drivetrain; Trek gives you more tire clearance, more mounts, a tubeless-ready wheelset and a slightly lighter bike.
If you want both hydraulic brakes and the Checkpoint’s mounts, the Checkpoint ALR 4 Gen 3 ($1,899.99) adds Shimano CUES hydraulic brakes and an 11-speed CUES U8000 drivetrain with an 11-50 cassette. Specialized’s step up is the Diverge 4 Sport Alloy ($2,099.99) with Future Shock suspension at the handlebar, SWAT down tube storage, CUES 1×11 (11-50) and 45mm tubeless-ready Tracer tires. When we checked, Trek also had some 2025 Checkpoint ALR 4 Gen 2 frames on sale for $1,599.99 in limited sizes.
Both bikes are sold through local dealers and online with in-store pickup or home delivery. Trek offers free 30-day returns on bikes bought on its site. Coming from a flat-bar hybrid? Either bike will feel faster and much more capable on dirt; just check what pedals come with your bike and budget for a set you like.
Keep Reading
More Gravel Bike Guides
The Verdict
Pros and Cons
Here’s how the two entry-level aluminum gravel bikes stack up after comparing the full spec sheets.
Specialized Diverge 3 Alloy
Specialized Diverge 3 Alloy
Key Specs
- Price: $1,599.99 (Specialized)
- Gearing: Shimano CUES 2×10, 46/32, 11-39
- Brakes: Shimano CUES hydraulic disc
- Tires: Pathfinder 700x40mm, 47mm max
- Weight: 23 lb 1.7 oz (56cm)
Pros of the Specialized Diverge 3 Alloy
- Brakes: Hydraulic discs with more power and less maintenance.
- Gearing: 2×10 gives a taller top gear and closer steps for road riding.
- Handling: Slacker head angle and low bottom bracket feel stable on loose gravel.
- Sizing: Seven sizes, starting with a 44cm frame for shorter riders.
Cons of the Specialized Diverge 3 Alloy
- Price: $100 more than the Checkpoint ALR 3.
- Clearance: 47mm max tire, a little less than the Checkpoint.
- Mounts: No fender mounts listed and fewer bag options.
- Wheels: Wheelset isn’t listed as tubeless ready.
Trek Checkpoint ALR 3 Gen 3
Trek Checkpoint ALR 3 Gen 3
Key Specs
- Price: $1,499.99 (Trek)
- Gearing: Shimano CUES 1×10, 40T, 11-48
- Brakes: Tektro C550 mechanical disc
- Tires: Girona Comp 700x42mm, 50mm max
- Weight: 22.96 lb (ML)
Pros of the Trek Checkpoint ALR 3 Gen 3
- Price: $100 less than the Diverge 3 Alloy.
- Mounts: Rack, fender and frame bag mounts for bikepacking and commuting.
- Clearance: Up to 50mm tires, tubeless-ready rims.
- Simple: 1x drivetrain with no front derailleur, plus T47 and UDH frame standards.
Cons of the Trek Checkpoint ALR 3 Gen 3
- Brakes: Mechanical discs need more lever force and regular adjustment.
- Gearing: Lower top gear (40×11) spins out sooner on fast roads.
- Tires: Stock Girona Comp tires are wire bead and worth upgrading later.
- Upgrade path: Hydraulic brakes mean stepping up to the $1,899.99 ALR 4.
Our Pick
Which Should You Buy?
Both are good first gravel bikes from brands with big dealer networks. If most of your riding will be singletrack, a hardtail is the better tool (see our Trek Marlin 7 vs Rockhopper Comp comparison). Otherwise, pick by how and where you ride:
Mixed Road and Gravel Riders
Get the Specialized Diverge 3 Alloy. The 2×10 gearing keeps up on fast pavement and group rides, the hydraulic brakes are the better daily brakes, and the Pathfinder tires roll quickly on smooth surfaces.
Bikepacking, Touring and Commuting
Get the Trek Checkpoint ALR 3. Fender mounts, fork rack mounts, frame bag mounts and 50mm clearance make it the easier bike to load up, and the 11-48 cassette gives you a low gear for climbing with bags.
Tight Budgets
The Checkpoint ALR 3 is $100 cheaper and slightly lighter. Just know that the mechanical brakes need more attention; if you ride steep descents a lot, the extra $100 for the Diverge’s hydraulic brakes is money well spent.
Shorter or Very Tall Riders
Riders around five feet tall should look at the 44cm Diverge first. Riders over 6’4″ will usually fit better on the Checkpoint XL, which Trek sizes for riders up to 6’8″.
If You Can Spend More
The Checkpoint ALR 4 Gen 3 ($1,899.99) is the sweet spot of the two lineups: hydraulic brakes, 11-speed CUES and all the Checkpoint mounts. The Diverge 4 Sport Alloy ($2,099.99) adds Future Shock suspension and SWAT storage if comfort on rough roads is your priority.
Gear For Your Gravel Bike
Good gravel tires, the right pressure, a trail tool and clipless pedals make the biggest difference on a new gravel bike. These are picks we would put on our own bikes.
Gravel tire
Panaracer GravelKing SK
A tubeless-ready gravel tire with a small-knob tread that rolls fast on hardpack and grips on loose gravel.
View on AmazonTubeless sealant
Stan’s NoTubes Tire Sealant
Seals small punctures as you ride – a must-have for tubeless trail, gravel and fat-bike setups.
View on AmazonFloor pump
Topeak JoeBlow Sport III
Correct pressure is the easiest way to prevent pinch flats and uneven wear. 160 psi, a large gauge and a head for Presta and Schrader valves.
View on AmazonPressure gauge
Topeak SmartGauge D2
A digital gauge for precise pressure checks before every ride – properly inflated tires last longer.
View on AmazonMulti-tool
Crankbrothers M19 Multi-Tool
19 functions in one compact tool – hex and Torx keys, screwdrivers and a chain tool for roadside and trailside fixes.
View on AmazonClipless pedals
Shimano PD-M520 SPD Pedals
Durable two-sided SPD clipless pedals – a classic choice for mountain biking, commuting and indoor training.
View on AmazonAs an Amazon Associate, The Bike Magazine earns from qualifying purchases. Prices and availability are shown on Amazon.
Frequently Asked Questions
Quick answers to the questions riders ask most about the Specialized Diverge and Trek Checkpoint.
Is the Specialized Diverge 3 Alloy the same as the Diverge E5?
Yes, essentially. Specialized now sells its entry aluminum Diverge as the Diverge 3 Alloy, but the frame is still the Diverge E5 Premium Aluminum frame and the manual is still titled Diverge E5. The current version has Shimano CUES 2×10 with hydraulic disc brakes and costs $1,599.99. Specialized customers rate it 4.9 out of 5 (36 reviews when we checked in November 2026).
Is the Trek Checkpoint ALR 3 a good gravel bike?
Yes. For $1,499.99 you get a 300 Series Alpha Aluminum frame with a carbon fork, Shimano CUES 1×10 with an 11-48 cassette, tubeless-ready wheels, 50mm tire clearance and plenty of mounts. Its weak point is the Tektro C550 mechanical disc brakes; if you want hydraulic brakes, the Checkpoint ALR 4 ($1,899.99) adds them.
Which is faster on the road, the Diverge or the Checkpoint?
The Diverge 3 Alloy, by a small margin. Its 46×11 top gear is about 15% taller than the Checkpoint’s 40×11, its gear steps are closer, and its 40mm Pathfinder tires have a smooth center for pavement. Weight is almost identical (about 23 pounds for both), so tires, position and gearing make the real difference.
Can I run wider tires on these bikes?
Yes. Trek lists up to 50mm tires on the Checkpoint ALR (42mm with fenders). Specialized lists 47mm on 700c wheels or 2.1 inches on 650b wheels for the Diverge. Both bikes ship with narrower tires (42mm and 40mm), so there’s room to go wider for rough gravel.
Are mechanical disc brakes a deal breaker?
Not for most riders. Mechanical discs like the Tektro C550 stop well in dry conditions and are easy to fix on the road. They need more hand force than hydraulic brakes and must be adjusted as the pads wear. If you ride long, steep descents or have smaller hands, hydraulic brakes like the Diverge’s are noticeably more comfortable.






