Bianchi Arcadex Comp
Gravel Adventure · size MD
Balanced
Front end and reach about the same.
Price: -
GRAVEL ADVENTURE / GEN 3
Trek Checkpoint ALR
An adventure gravel bike built for long rides, rough routes and carrying gear. Riding position: Balanced in the smallest size to Relaxed in the largest.
- Type
- Gravel Adventure
- Price, complete bikes
- $1,499 to $2,199
- Sizes
- XS to XL (6)
- Position, size M
- Relaxed
- Tire clearance
- -
How the maker describes it
In Trek’s words: “an alloy gravel bike that’s ready for bikepacking and off-road adventures.”
GnR lists it as Gravel Adventure: an adventure gravel bike built for long rides, rough routes and carrying gear.
Source: Trek, read October 19, 2026.
Published frame dimensions
Frame measurements for each size, in millimeters; head angles in degrees. Stack and reach describe the frame only. Stem, spacers and handlebars change where your hands end up.
| Size | Stack | Reach | Wheelbase | Head angle | Standover | Position |
|---|---|---|---|---|---|---|
| XS | 545 | 380 | 1025 | 71.2° | 735 | Balanced |
| S | 566 | 385 | 1033 | 71.6° | 765 | Balanced |
| M | 589 | 391 | 1041 | 71.8° | 789 | Relaxed |
| ML | 611 | 397 | 1048 | 72.2° | 809 | Relaxed |
| L | 630 | 402 | 1058 | 72.3° | 829 | Relaxed |
| XL | 650 | 408 | 1070 | 72.6° | 859 | Relaxed |
Aggressive more stretched out for its height · Balanced in between · Relaxed more upright for its height
From Trek’s geometry chart, checked October 19, 2026. Visit Trek ↗
Where this frame sits
Each colored dot is one Checkpoint ALR size; gray dots are other current gravel frames. Dots right of the green band are more stretched out for their height; dots left of it are more upright. 2 of 6 Checkpoint ALR sizes sit inside the band; 4 are more upright.
Price and builds
$1,499 to $2,199. Checkpoint ALR 3, 4 and 5 Gen 3 builds. Excludes the frameset.
Price rises with the parts: drivetrain, wheels and cockpit. Compare builds on Trek’s site before buying.
Trek US list prices, October 19, 2026. Prices and stock change often.
Comparable frames from other brands
The closest match to a size M Checkpoint ALR from other brands, among current gravel frames. Same-type frames are listed first.
Scott Speedster Gravel
Gravel All-rounder · size L/56
Relaxed
Front end and reach about the same.
$2,299
Cannondale SuperX
Gravel Race · size 58
Relaxed
Front end a little higher, reach about the same.
$3,599 to $7,399
Maker US list prices for complete bikes on the date checked.
Frame details
- Tire clearance
- -
- Mounts
- Fork, frame, top-tube and bottle mounts (Trek product text). No load limits implied.
- Geometry chart
- Gen 3 · US product chart
Exact six-size Gen 3 chart printed from the US Checkpoint ALR 5 product page on October 19, 2026. The size header row was cut off in the print; the six columns match the six sizes in the same page’s sizing table (XS to XL). Separate from the carbon Checkpoint SL. Stem and handlebar setup change hand position.
Find alternatives to this frame
Use this exact chart as your reference, select your size, then explore similar dimensions or a deliberate position change. Confirm the frame generation matches your bike before using it.
Match this bike ↗Does similar geometry mean the same fit?
Similar frame dimensions are a starting point. Saddle height and setback, seat-tube geometry, stem length and angle, headset spacers, handlebars and control position affect the completed bike. Review those details before buying.