Models · Trek · Checkpoint
Trek Checkpoint ALR Gen 3 (2025)
Geometry ?
Trek Checkpoint ALR Gen 3 2025 geometry in sizes XS–XL: stack 545–650 mm, reach 380–408 mm, head angle 71.2–72.6°.
| XS | S | M | ML | L | XL | |
|---|---|---|---|---|---|---|
| Stack | 545 mm | 566 mm | 589 mm | 611 mm | 630 mm | 650 mm |
| Reach | 380 mm | 385 mm | 391 mm | 397 mm | 402 mm | 408 mm |
| Head angle | 71.2° | 71.6° | 71.8° | 72.2° | 72.3° | 72.6° |
| Seat angle | 74.1° | 73.7° | 73.2° | 72.8° | 72.5° | 72.1° |
| Head tube | 96 mm | 117 mm | 140 mm | 162 mm | 181 mm | 201 mm |
| Top tube (effective) | 536 mm | 548 mm | 568 mm | 580 mm | 592 mm | 604 mm |
| BB drop | 78 mm | 78 mm | 76 mm | 76 mm | 74 mm | 74 mm |
| Chainstay | 435 mm | 435 mm | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1025 mm | 1033 mm | 1041 mm | 1048 mm | 1058 mm | 1070 mm |
| Standover | 735 mm | 765 mm | 789 mm | 809 mm | 829 mm | 859 mm |
| Fork offset | 49 mm | 49 mm | 49 mm | 49 mm | 49 mm | 49 mm |
| Stock build by size | ||||||
| Cranks | 165 mm | 165 mm | 170 mm | 170 mm | 172.5 mm | 172.5 mm |
| Stem | 70 mm | 80 mm | 80 mm | 90 mm | 90 mm | 100 mm |
| Stem angle | −7° | −7° | −7° | −7° | −7° | −7° |
| Bar width | 400 mm | 400 mm | 420 mm | 420 mm | 440 mm | 460 mm |
| Seatpost setback | 12 mm | 12 mm | 12 mm | 12 mm | 12 mm | 12 mm |
Source: api.trekbikes.com, checked 3 Nov 2026 · bar position: worked out from published data
Older model years in the archive: Trek Checkpoint ALR Gen 2 2022–2025, Trek Checkpoint ALR Gen 1 2021
Stock build
Checkpoint ALR 5 Gen 3 ≈ €1,972
- Groupset
- SRAM Apex D1 mechanical (1×12, 11-44)
- Shifters
- SRAM Apex D1 12s
- Cranks
- SRAM Apex 1, 40T, DUB Wide
- Stem
- Bontrager Elite, 31.8 mm, Blendr compatible, 7°
- Handlebar
- Bontrager GR Elite IsoZone Gravel Handlebar, alloy
- Seatpost
- Bontrager SSR 2-Bolt alloy, 27.2×330 mm, 12 mm offset
- Saddle
- Bontrager Verse Short Comp 145 mm
- List price
- £1,700 (api.trekbikes.com, 3 Nov 2026)
Checkpoint ALR 4 Gen 3 ≈ €1,624
- Groupset
- Shimano CUES U8000 (1×11, 11-50)
- Shifters
- Shimano CUES U6030 11s
- Cranks
- Shimano CUES FC-U6030-1 40T
- Stem
- Bontrager Elite, 31.8 mm, Blendr compatible, 7°
- Handlebar
- Bontrager GR Elite IsoZone Gravel Handlebar, alloy
- Seatpost
- Bontrager SSR 2-Bolt alloy, 27.2×330 mm, 12 mm offset
- Saddle
- Bontrager Verse Short Comp 145 mm
- List price
- £1,400 (api.trekbikes.com, 3 Nov 2026)
Checkpoint ALR 3 Gen 3 ≈ €1,392
- Groupset
- Shimano CUES U6000 1×10 (40T)
- Shifters
- Shimano CUES ST-U3030
- Cranks
- Shimano CUES FC-U6030-1, 40T
- Stem
- Bontrager Elite, 31.8 mm, 7°
- Handlebar
- Bontrager Elite Gravel, alloy
- Seatpost
- Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm
- List price
- £1,200 (api.trekbikes.com, 3 Nov 2026)
Source for all builds: api.trekbikes.com, checked 3 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size XS (stack 545 / reach 380 mm).
Stack and reach within 12 mm of size S (stack 566 / reach 385 mm).
Stack and reach within 12 mm of size M (stack 589 / reach 391 mm).
Stack and reach within 12 mm of size ML (stack 611 / reach 397 mm).
Stack and reach within 12 mm of size L (stack 630 / reach 402 mm).
Stack and reach within 12 mm of size XL (stack 650 / reach 408 mm).
Spotted a mistake or a missing build? Let me know.