2025 Trek Bikes Checkpoint Gen 3 Base
- Category
- Progressive Gravel
- Design
- Drop Bar, Rigid, suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Average stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category |
Geometry
Extra Small | Small | Small | Medium | Medium | Medium/Large | Medium/Large | Large | Large | Extra Large | Extra Large | |
Stack | 535mm | 556mm | 556mm | 579mm | 579mm | 601mm | 601mm | 620mm | 620mm | 640mm | 640mm |
Reach | 380mm | 386mm | 386mm | 391mm | 391mm | 397mm | 397mm | 402mm | 402mm | 408mm | 408mm |
Stack to Reach Ratio | 1.41:1 | 1.44:1 | 1.44:1 | 1.48:1 | 1.48:1 | 1.51:1 | 1.51:1 | 1.54:1 | 1.54:1 | 1.57:1 | 1.57:1 |
Seat Tube Length, C-T | 445mm | 480mm | 480mm | 505mm | 505mm | 530mm | 530mm | 550mm | 550mm | 575mm | 575mm |
Top Tube Length, Effective/Horizontal Center | 536mm | 547mm | 547mm | 566mm | 566mm | 578mm | 578mm | 589mm | 589mm | 601mm | 601mm |
Head Tube Angle | 71deg | 71.4deg | 71.4deg | 71.6deg | 71.6deg | 72deg | 72deg | 72.1deg | 72.1deg | 72.4deg | 72.4deg |
Seat Tube Exit Angle | 74deg | 74deg | 74deg | 73.3deg | 73.3deg | 73.3deg | 73.3deg | 73.3deg | 73.3deg | 73.3deg | 73.3deg |
Head Tube Length | 86mm | 106mm | 106mm | 130mm | 130mm | 151mm | 151mm | 171mm | 171mm | 191mm | 191mm |
Bottom Bracket Drop | 76mm | 76mm | 76mm | 76mm | 76mm | 76mm | 76mm | 76mm | 76mm | 76mm | 76mm |
Bottom Bracket Height | 277mm | 277mm | 277mm | 277mm | 277mm | 277mm | 277mm | 277mm | 277mm | 277mm | 277mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 423.2mm | 423.2mm | 423.2mm | 423.2mm | 423.2mm | 423.2mm | 423.2mm | 423.2mm | 423.2mm | 423.2mm | 423.2mm |
Front-Center | 594.7mm | 603.6mm | 603.6mm | 615.5mm | 615.5mm | 623.4mm | 623.4mm | 633.4mm | 633.4mm | 643.3mm | 643.3mm |
Front-Center Horizontal | 589.8mm | 598.8mm | 598.8mm | 610.8mm | 610.8mm | 618.8mm | 618.8mm | 628.8mm | 628.8mm | 638.8mm | 638.8mm |
Wheelbase | 1013mm | 1022mm | 1022mm | 1034mm | 1034mm | 1042mm | 1042mm | 1052mm | 1052mm | 1062mm | 1062mm |
Fork Offset/Rake | 49mm | 49mm | 49mm | 49mm | 49mm | 49mm | 49mm | 49mm | 49mm | 49mm | 49mm |
Trail | 69.7mm high | 67.1mm high | 67.1mm high | 65.8mm high | 65.8mm high | 63.2mm mid/​neutral | 63.2mm mid/​neutral | 62.5mm mid/​neutral | 62.5mm mid/​neutral | 60.6mm mid/​neutral | 60.6mm mid/​neutral |
Mechanical Trail | 65.9mm | 63.6mm | 63.6mm | 62.4mm | 62.4mm | 60.1mm | 60.1mm | 59.5mm | 59.5mm | 57.7mm | 57.7mm |
Wheel Flop | 21.5mm | 20.3mm | 20.3mm | 19.7mm | 19.7mm | 18.6mm | 18.6mm | 18.3mm | 18.3mm | 17.5mm | 17.5mm |
Standover Height | 746mm | 776mm | 776mm | 802mm | 802mm | 823mm | 823mm | 843mm | 843mm | 865mm | 865mm |
Tire to Pedal Spindle | 71.7mm 170 mm cranks | 80.6mm 170 mm cranks | 80.6mm 170 mm cranks | 92.5mm 170 mm cranks | 92.5mm 170 mm cranks | 100.4mm 170 mm cranks | 100.4mm 170 mm cranks | 110.4mm 170 mm cranks | 110.4mm 170 mm cranks | 120.3mm 170 mm cranks | 120.3mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 107mm 170 mm cranks | 107mm 170 mm cranks | 107mm 170 mm cranks | 107mm 170 mm cranks | 107mm 170 mm cranks | 107mm 170 mm cranks | 107mm 170 mm cranks | 107mm 170 mm cranks | 107mm 170 mm cranks | 107mm 170 mm cranks | 107mm 170 mm cranks |
Base Build
Extra Small | Small | Small | Medium | Medium | Medium/Large | Medium/Large | Large | Large | Extra Large | Extra Large | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm |
Tire Width Max | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Outer Diameter | 706mm | 706mm | 706mm | 706mm | 706mm | 706mm | 706mm | 706mm | 706mm | 706mm | 706mm |
Bike Length with Tires | 1719mm | 1728mm | 1728mm | 1740mm | 1740mm | 1748mm | 1748mm | 1758mm | 1758mm | 1768mm | 1768mm |
Published Sizing Recommendations
Height | 4 ft 8 in to 5 ft 2 in | 5 ft 2 in to 5 ft 4 in | 5 ft 2 in to 5 ft 4 in | 5 ft 4 in to 5 ft 8 in | 5 ft 4 in to 5 ft 8 in | 5 ft 8 in to 5 ft 10 in | 5 ft 8 in to 5 ft 10 in | 5 ft 10 in to 6 ft 2 in | 5 ft 10 in to 6 ft 2 in | 6 ft 2 in to 7 ft 0 in | 6 ft 2 in to 7 ft 0 in |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Progressive GravelSource:https://www.trekbikes.com/us/en_US/bikes/road-bikes/gravel-bikes/checkpoint/checkpoint-sl/checkpoint-sl-7-axs-gen-3/p/47073/?colorCode=bronze_grey, trekbikes.com, https://www.trekbikes.com/us/en_US/