Trek CheckOUT SL 5 2026 - Gravel Bike
A carbon short-travel gravel bike built to smooth rough tracks and keep you confident on long days out. It pairs 55 mm rear and 60 mm front travel with a capable GRX drivetrain, stable geometry and durable wheels for varied terrain.
Key Features:
- 500 Series OCLV Carbon frame with 55 mm travel, roomy clearance and compliance for rough tracks
- RockShox Rudy XL Ultimate fork with 60 mm travel for added control
- Shimano GRX RX820/822 12-speed drivetrain for crisp, reliable shifting
- Shimano GRX hydraulic disc brakes with CL800 rotors for steady stopping
- Bontrager Paradigm Comp 25 wheels for strength and easy tubeless setup
- 700x50 Bontrager Betasso RSL GX tyres for grip on mixed surfaces
- TranzX dropper post adds confidence on steep or technical sections
- Available with 0% APR finance
The CheckOUT SL 5 is built around a 500 Series OCLV Carbon frame that balances lightweight efficiency with enough toughness for rough gravel. Its IsoStrut set-up delivers 55 mm of controlled rear travel through a RockShox SIDluxe Ultimate shock, helping the bike stay composed on broken ground without feeling over-suspended or sluggish on smooth sections. The geometry offers stability for fast descents while remaining responsive when you’re weaving through tighter trails.
Up front, the RockShox Rudy XL Ultimate fork gives 60 mm of travel with the Charger Race Day 2 damper, adding comfort and control when the terrain gets rocky. The Shimano GRX 12-speed drivetrain is designed for off-road reliability, with wide-range gearing that suits steep climbs and long adventure routes. Shimano GRX hydraulic brakes with CL800 rotors offer predictable braking, whether you’re loaded up for a full-day outing or rolling fast on loose gravel.
Bontrager Paradigm Comp 25 wheels keep things durable and efficient, paired with 50 mm Betasso RSL GX tyres that offer a confident tread for loose and uneven ground while still rolling smoothly on hardpack. The TranzX dropper post provides extra control on steeper moments, and the integrated mounts, threaded T47 bottom bracket and practical features make it well suited to bike-packing setups.
This is a bike for riders who enjoy exploring varied terrain, want the comfort of short-travel suspension and value components chosen to perform reliably over long distances.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | 500 Series OCLV Carbon, integrated frame bag mounts, integrated rack, T47, UDH, 142x12 mm chamfered thru axle, 55 mm travel |
| Fork | RockShox Rudy XL Ultimate, Charger Race Day 2 Solo Air spring, tapered steerer, 45 mm offset, 12x100 mm thru axle, 60 mm travel |
| Rear Shock | RockShox SIDluxe Ultimate 3P, 170mmx27.5mm |
| Stem | Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree |
| Bars | Bontrager GR Checkout |
| Front Brake | Shimano GRX, Shimano CL800, centerlock, 160mm |
| Rear Brake | Shimano GRX, Shimano CL800, centerlock, 160mm |
| Rear Mech | Shimano GRX RX822, 36T max cog |
| Shifters | Shimano GRX RX820, 12 speed |
| Speed | 12 |
| Rims | Bontrager Paradigm Comp 25 |
| Front Hub | 100x12 mm thru axle |
| Rear Hub | 142x12mm thru axle |
| Front Tyre | Bontrager Betasso RSL GX, Tubeless ready, aramid bead, 60 tpi, 700x50 mm |
| Rear Tyre | Bontrager Betasso RSL GX, Tubeless ready, aramid bead, 60 tpi, 700x50 mm |
| Seat Post | TranzX JD-YSI36, 100 mm travel, internal routing, 31.6 mm, 328 mm length |
| Saddle | Verse Short Comp, steel rails, 145 mm width |
| Chainset | Shimano GRX RX610, 38T, |
| Bottom Bracket | Praxis, T47 threaded, internal bearing |
| Chain | Shimano XT M8100, 12-speed |
| Cassette | Shimano XT M8200, 10-51, 12-speed |
| Weight | 11.97 kg |
See the table below to find the right size.
Gravel Bike Bike Sizing
XXS (44)
4'8"
5'1"
XS (48)
5'1"
5'4"
S (51)
5'4"
5'7"
M (54)
5'7"
5'10"
L (56)
5'10"
6'0"
XL (58)
6'0"
6'3"
XXL (60)
6'3"
6'5"
XXXL (62)
6'5"
6'9"
Read our bike size guide for more information on sizing.
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Height |
Size |
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4’8” / 143cm |
44 (XXS) |
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4’9” / 145cm |
44 (XXS) |
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4’10” / 148cm |
44 (XXS) |
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4’11” / 150cm |
44 (XXS) |
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5’0” / 152cm |
44 (XXS) |
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5’1” / 155cm |
44 (XXS) |
48 (XS) |
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5’2” / 158cm |
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48 (XS) |
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5’3” / 160cm |
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48 (XS) |
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5’4” / 163cm |
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48 (XS) |
51 (S) |
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5’5” / 165cm |
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51 (S) |
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5’6” / 168cm |
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51 (S) |
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5’7” / 170cm |
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51 (S) |
54 (M) |
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5’8” / 173cm |
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54 (M) |
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5’9” / 175cm |
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54 (M) |
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5’10” / 178cm |
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54 (M) |
56 (L) |
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5’11” / 180cm |
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56 (L) |
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6’0” / 183cm |
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56 (L) |
58 (XL) |
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6’1” / 185cm |
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58 (XL) |
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6’2” / 188cm |
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58 (XL) |
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6’3” / 191cm |
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58 (XL) |
60 (XXL) |
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6’4” / 193cm |
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60 (XXL) |
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6’5” / 196cm |
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60 (XXL) |
62 (XXXL) |
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6’6” / 198cm |
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62 (XXXL) |
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6’7” / 201cm |
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62 (XXXL) |
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6’8” / 203cm |
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62 (XXXL) |
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6’9” / 205cm |
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62 (XXXL) |
Read our bike size guide for more information on sizing.
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Trek CheckOUT SL 5 2026 - Gravel Bike
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