2026 Mosaic Cycles GT-1 i55 Base
- Category
- Progressive Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Titanium
- Fork
- Carbon/Composite
- Features
- Disc brake
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
XS | SML | SML-MED | MED | LRG | XL | XXL | 3XL | |
Stack | 543mm | 559mm | 575mm | 584mm | 594mm | 618mm | 636mm | 660mm |
Reach | 373mm | 379mm | 379mm | 381mm | 392mm | 399mm | 402mm | 404mm |
Stack to Reach Ratio | 1.46:1 | 1.47:1 | 1.52:1 | 1.53:1 | 1.52:1 | 1.55:1 | 1.58:1 | 1.63:1 |
Seat Tube Length, C-T | 480mm | 500mm | 520mm | 540mm | 560mm | 580mm | 590mm | 600mm |
Top Tube Length, Effective/Horizontal Unknown | 520mm | 530mm | 540mm | 550mm | 570mm | 585mm | 600mm | 610mm |
Top Tube Slope | 9deg | 8deg | 8deg | 7deg | 5deg | 5deg | 6deg | 7deg |
Head Tube Angle | 70deg | 71deg | 71deg | 71deg | 71deg | 71deg | 71deg | 71deg |
Seat Tube Angle, Unknown | 73deg | 73deg | 73deg | 72deg | 72deg | 72deg | 71deg | 71deg |
Head Tube Length | 100mm | 115mm | 130mm | 140mm | 150mm | 175mm | 195mm | 220mm |
Bottom Bracket Drop | 80mm | 80mm | 80mm | 80mm | 80mm | 80mm | 80mm | 80mm |
Bottom Bracket Height | 286mm | 286mm | 286mm | 286mm | 286mm | 286mm | 286mm | 286mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 422.5mm | 422.5mm | 422.5mm | 422.5mm | 422.5mm | 422.5mm | 422.5mm | 422.5mm |
Front-Center | 605mm | 612mm | 613mm | 618mm | 632mm | 647mm | 656mm | 667mm |
Front-Center Horizontal | 599.5mm | 606.5mm | 607.5mm | 612.5mm | 627.5mm | 642.5mm | 651.5mm | 661.5mm |
Wheelbase | 1022mm | 1029mm | 1030mm | 1035mm | 1050mm | 1065mm | 1074mm | 1084mm |
Fork Offset/Rake | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm |
Trail | 74.7mm high | 67.9mm high | 67.9mm high | 67.9mm high | 67.9mm high | 67.9mm high | 67.9mm high | 67.9mm high |
Mechanical Trail | 70.2mm | 64.2mm | 64.2mm | 64.2mm | 64.2mm | 64.2mm | 64.2mm | 64.2mm |
Wheel Flop | 24mm | 20.9mm | 20.9mm | 20.9mm | 20.9mm | 20.9mm | 20.9mm | 20.9mm |
Standover Height | 772mm | 790mm | 807mm | 821mm | 836mm | 854mm | 868mm | 882mm |
Tire to Pedal Spindle | 69mm 170 mm cranks | 76mm 170 mm cranks | 77mm 170 mm cranks | 82mm 170 mm cranks | 96mm 170 mm cranks | 111mm 170 mm cranks | 120mm 170 mm cranks | 131mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 116mm 170 mm cranks | 116mm 170 mm cranks | 116mm 170 mm cranks | 116mm 170 mm cranks | 116mm 170 mm cranks | 116mm 170 mm cranks | 116mm 170 mm cranks | 116mm 170 mm cranks |
Base Build
XS | SML | SML-MED | MED | LRG | XL | XXL | 3XL | |
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 |
Tire Width | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm |
Tire Width Max | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm |
Tire Outer Diameter | 732mm | 732mm | 732mm | 732mm | 732mm | 732mm | 732mm | 732mm |
Bike Length with Tires | 1754mm | 1761mm | 1762mm | 1767mm | 1782mm | 1797mm | 1806mm | 1816mm |
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:mosaiccycles.com