Geometry ?
Trek Check-Out SL 2026 geometry in sizes S–XL: stack 580–673 mm, reach 395–435 mm, head angle 68.8–69.5°.
| S | M | ML | L | XL | |
|---|---|---|---|---|---|
| Stack | 580 mm | 617 mm | 634 mm | 652 mm | 673 mm |
| Reach | 395 mm | 407 mm | 417 mm | 427 mm | 435 mm |
| Head angle | 68.8° | 69° | 69.4° | 69.5° | 69.4° |
| Seat angle | 74.6° | 74.2° | 73.7° | 73° | 72.6° |
| Seat tube (c-t) | 440 mm | 470 mm | 520 mm | 540 mm | 560 mm |
| Head tube | 94 mm | 133 mm | 149 mm | 170 mm | 193 mm |
| Top tube (effective) | 564 mm | 589 mm | 597 mm | 613 mm | 628 mm |
| BB drop | 70 mm | 70 mm | 70 mm | 68 mm | 68 mm |
| Chainstay | 442 mm | 442 mm | 442 mm | 442 mm | 442 mm |
| Wheelbase | 1081 mm | 1105 mm | 1117 mm | 1135 mm | 1150 mm |
| Standover | 772 mm | 804 mm | 838 mm | 846 mm | 852 mm |
| Fork offset | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
| Stock build by size | |||||
| Cranks | 165 mm | 170 mm | 170 mm | 172.5 mm | 172.5 mm |
| Stem | 60 mm | 60 mm | 70 mm | 70 mm | 80 mm |
| Stem angle | −7° | −7° | −7° | −7° | −7° |
| Bar width | 420 mm | 440 mm | 460 mm | 460 mm | 480 mm |
Source: api.trekbikes.com, checked 1 Nov 2026 · bar position: worked out from published data
Stock build
Check Out SL 7 AXS
- Groupset
- SRAM Force AXS E1
- Stem
- Bontrager Pro, 31.8 mm, 7°
- Handlebar
- Bontrager GR Checkout
- Seatpost
- RockShox Reverb AXS, 100 mm travel, wireless, 31.6 mm, 337 mm length
- Saddle
- Verse Short Elite, hollow magnesium rails, 145 mm width
Check Out SL 5
- Stem
- Bontrager Elite, 31.8 mm, 7°
- Handlebar
- Bontrager GR Checkout
- Seatpost
- TranzX JD-YSI36, 100 mm travel, internal routing, 31.6 mm, 328 mm length
- Saddle
- Verse Short Comp, steel rails, 145 mm width
Source for all builds: trekbikes.com, checked 1 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size S (stack 580 / reach 395 mm).
BIXS Gran Turismo AR / GR (2026)size L · stack 580 / reach 395 mmIkuista Halo (2026)size L · stack 580 / reach 395 mmOrbea Terra Race (OMX) (2026)size L · stack 580 / reach 395 mmThompson GR-2 Gravel (2026)size L · stack 580 / reach 395 mmRose Backroad (carbon) (2027)size M · stack 581 / reach 396 mmCervélo Áspero (2027)size 56 · stack 580 / reach 397 mm
Stack and reach within 12 mm of size M (stack 617 / reach 407 mm).
Sauvage LaPiste (2026)size XL · stack 616 / reach 407 mmJan Janssen Spirit (2026)size XL · stack 616 / reach 407 mmWilier Rave SLR ID2 (2027)size XXL · stack 617 / reach 408 mmIbis Hakka MX (2026)size 61 · stack 616 / reach 406 mmSimplon Array (2026)size 57/L · stack 618 / reach 408 mmSimplon Grid (2026)size 57/L · stack 618 / reach 408 mm
Stack and reach within 12 mm of size ML (stack 634 / reach 417 mm).
Bianchi Via Nirone 7 (gravel) (2026)size 61 · stack 634 / reach 416 mmDuratec Rebel S8 (2026)size 62 · stack 633 / reach 417 mmScott Addict Gravel (HMX) (2026)size XXL/61 · stack 633 / reach 415 mmBulls Grinder / Daily Grinder (2026)size XL · stack 632 / reach 419 mmBergamont Grandurance RD Elite (2023)size 61 · stack 635 / reach 420 mmBergamont Grandurance (alloy, HIGH) (2026)size XXL · stack 636 / reach 420 mm
Stack and reach within 12 mm of size L (stack 652 / reach 427 mm).
Santos Gravelmaster (2026)size XL · stack 656 / reach 429 mmBearclaw Beaux Jaxon UDH (2026)size 60 · stack 655 / reach 423 mmStevens Gavere (2027)size 61 · stack 651 / reach 422 mmSeven G-753 (Standard Fit) (2026)size 62 · stack 654 / reach 422 mmSeven G-758 (Standard Fit) (2026)size 62 · stack 654 / reach 422 mmChumba Terlingua SL Titanium (2026)size 62 · stack 648 / reach 432 mm
Stack and reach within 12 mm of size XL (stack 673 / reach 435 mm).
Spotted a mistake or a missing build? Let me know.