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The Trek Checkout SL 5 GRX Gravel Bike is built for riders who want to go far beyond the usual roads and tracks. Its full-suspension carbon frame delivers 55 mm of rear travel through a RockShox SIDluxe IsoStrut shock.
A RockShox Rudy XL fork adds 60 mm of travel at the front, ensuring comfort and control on rough trails and demanding gravel routes.
With Bontrager Paradigm Comp wheels, a 12 speed Shimano GRX drivetrain and a TranzX dropper post, this bike comes fully prepared for long adventures and challenging terrain.
| — | 48 | 51 | 54 | 57 | 60 | 63 |
|---|---|---|---|---|---|---|
| Rider Height (Cm) | 158 - 163 | 162 - 168 | 167 - 174 | 173 - 184 | 184 - 191 | 190 - 197 |
| Seat Tube (ctr-top) | 440 | 482 | 512 | 543 | 573 | 605 |
| Seat Tube (ctr-ctr) | - | - | - | - | - | - |
| Effective Top Tube | 520 | 531 | 543 | 557 | 583 | 603 |
| Actual Top Tube | - | - | - | - | - | - |
| Seat Angle (°) | 74.3 | 74 | 73.8 | 73.5 | 73 | 72.8 |
| Head Tube Angle (°) | 69.5 | 70 | 71 | 71.8 | 71.8 | 72.3 |
| Head Tube Length | 115 | 125 | 14 | 160 | 200 | 320 |
| Fork Rake | 52 | 52 | 52 | 52 | 52 | 52 |
| Chainstay Length | 450 | 450 | 450 | 450 | 450 | 450 |
| Wheelbase | 1041 | 1045 | 1048 | 1052 | 1074 | 1086 |
| Stack | 540 | 551 | 565 | 587 | 625 | 655 |
| Reach | 368 | 373 | 378 | 383 | 392 | 400 |
| Tail | 74 | 71 | 65 | 59 | 59 | 56 |
| Standover | 713 | 741 | 768 | 794 | 826 | 854 |

*All measurements in mm unless otherwise stated
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Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.
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Founded in a Wisconsin barn in 1976, Trek has grown into one of the world's most recognised bicycle brands without losing the obsession that started it all: build the best bike, ride it further, share it with everyone.
Trek believes the bicycle is a simple solution to many of the world's most complicated problems. Every bike Trek builds — from the Madone race weapon to the Marlin trail bike — is made with that conviction. More riders, more often, on better bikes.