IsoSpeed
Lets the seat tube flex to smooth out washboard and rough gravel.
A carbon gravel bike with IsoSpeed comfort, in-frame storage and wireless SRAM Apex AXS.
Usually ready in 24 hours
Color: Lava/Black Olive , Size: ML
Pickup available, usually ready in 24 hours
179 Leva Avenue
103B
Red Deer County AB T4E 1B9
Canada
Checkpoint SL 5 AXS Gen 3 is an adventure-ready carbon gravel bike built to roll into the distant horizon. Its lightweight carbon frame is designed with comfort-focused geometry, room for beefy 50mm tires (as measured), and plenty of frame and fork mounts. Plus, IsoSpeed comfort technology helps soak up jarring road vibrations, so you can you float over chatter and potholes. It comes equipped with a wireless SRAM Apex XPLR AXS drivetrain to deliver plenty of gears for exploring the dusty road..
Carbon gravel
A 500 Series OCLV Carbon frame with IsoSpeed takes the sting out of gravel without slowing you down.
Lets the seat tube flex to smooth out washboard and rough gravel.
Light and stiff, with invisible cable routing through the RCS headset.
Ships with fast 42 mm Girona RSL tubeless-ready tires.
Adventure ready
Storage and mounts for bikepacking, long days and everything in between.
Stash a tube, tools and snacks inside the frame with the included BITS bag.
Plus triple-rack mounts on the fork.
Clean, wireless 12-speed shifting with an 11–44 range.
Checkpoint SL 5 vs ALR 5
Both are 12-speed SRAM Apex gravel bikes with room for 50 mm tires. The SL 5 adds a carbon frame with IsoSpeed, wireless AXS shifting and in-frame storage.
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Checkpoint SL 5 AXS$4,299.99 | ||
|---|---|---|
| Frame | 500 Series OCLV Carbon, IsoSpeed | 300 Series Alpha Aluminum |
| Shifting | SRAM Apex AXS, wireless | SRAM Apex, mechanical |
| Tires | Girona RSL 42 mm | Girona Pro 42 mm |
| In-frame storage | Yes, with BITS bag | No |
| Max tire size | 50 mm | 50 mm |
| Weight | 9.50 kg (size ML) | 9.87 kg (size ML) |
Size & fit
Enter your height to get a size recommendation, or come in and we'll fit you in person.
Enter your height and we'll recommend a frame size.
| Size | Rider height | Inseam |
|---|---|---|
| XS | 4'8" – 5'2" (143–158 cm) | 26–29" (67–74 cm) |
| S | 5'2" – 5'5" (158–164 cm) | 29–30" (74–77 cm) |
| M | 5'5" – 5'10" (164–177 cm) | 30–33" (77–83 cm) |
| ML | 5'10" – 6'2" (177–188 cm) | 33–35" (83–88 cm) |
| L | 6'2" – 6'4" (188–194 cm) | 35–36" (88–91 cm) |
| XL | 6'4" – 6'8" (194–203 cm) | 36–37" (91–95 cm) |
Sizing is a guide. Reach, arm length and riding style matter too, so a quick test ride is the best way to confirm.
Between sizes or unsure? Book a fitting or test ride and we'll help you choose.
| Frame size | XS | S | M | ML | L | XL |
|---|---|---|---|---|---|---|
| A – Seat tube | 445 mm | 480 mm | 505 mm | 530 mm | 550 mm | 575 mm |
| Effective seat tube angle | 72.7° | 73.0° | 72.8° | 72.8° | 72.8° | 72.8° |
| C – Head tube length | 86 mm | 106 mm | 130 mm | 151 mm | 171 mm | 191 mm |
| D – Head angle | 71.0° | 71.4° | 71.6° | 72.0° | 72.1° | 72.4° |
| E – Effective top tube | 536 mm | 547 mm | 566 mm | 578 mm | 589 mm | 601 mm |
| G – Bottom bracket drop | 76 mm | 76 mm | 76 mm | 76 mm | 76 mm | 76 mm |
| H – Chainstay length | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| I – Fork offset | 49 mm | 49 mm | 49 mm | 49 mm | 49 mm | 49 mm |
| J – Trail | 71 mm | 68 mm | 68 mm | 64 mm | 64 mm | 62 mm |
| K – Wheelbase | 1013 mm | 1022 mm | 1034 mm | 1042 mm | 1052 mm | 1062 mm |
| L – Standover | 746 mm | 772 mm | 799 mm | 813 mm | 837 mm | 861 mm |
| M – Reach | 380 mm | 386 mm | 391 mm | 397 mm | 402 mm | 408 mm |
| N – Stack | 535 mm | 556 mm | 579 mm | 601 mm | 620 mm | 640 mm |
| Wheel size | 700c | 700c | 700c | 700c | 700c | 700c |
Specifications
Specs from Trek and subject to change. Weights are for the size listed.
Gear up
Finish your gravel setup.