2026 Mosaic Cycles GT-1 i55 32" Base
- Category
- All-road/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 | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Very aggressive stack and reachvs category | Very aggressive stack and reachvs category | Very aggressive stack and reachvs category | Very aggressive stack and reachvs category | Very aggressive stack and reachvs category | Very aggressive stack and reachvs category |
Geometry
SML | SML | SML-MED | SML-MED | MED | MED | LRG | LRG | XL | XL | XXL | XXL | 3XL | 3XL | |
Stack | 570.2mm | 570.2mm | 579.1mm | 579.1mm | 583.8mm | 583.8mm | 595.2mm | 595.2mm | 618.9mm | 618.9mm | 635.2mm | 635.2mm | 654.2mm | 654.2mm |
Reach | 370.2mm | 370.2mm | 387.4mm | 387.4mm | 390.1mm | 390.1mm | 408.2mm | 408.2mm | 428.8mm | 428.8mm | 434.6mm | 434.6mm | 435mm | 435mm |
Stack to Reach Ratio | 1.54:1 | 1.54:1 | 1.49:1 | 1.49:1 | 1.5:1 | 1.5:1 | 1.46:1 | 1.46:1 | 1.44:1 | 1.44:1 | 1.46:1 | 1.46:1 | 1.5:1 | 1.5:1 |
Seat Tube Length, C-T | 470mm | 470mm | 480mm | 480mm | 490mm | 490mm | 510mm | 510mm | 530mm | 530mm | 550mm | 550mm | 560mm | 560mm |
Seat Tube Length, Effective HT Top | — | 50mm | — | 52mm | — | 54mm | — | 56mm | — | 58mm | — | 60mm | — | 62mm |
Top Tube Length, Effective/Horizontal HT Top | 525mm | — | 550.2mm | — | 560mm | — | 585mm | — | 615mm | — | 630mm | — | 635mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 525mm | — | 550.2mm | — | 560mm | — | 585mm | — | 615mm | — | 630mm | — | 635mm |
Top Tube Slope | — | 13.5deg | — | 12.6deg | — | 11.9deg | — | 10.5deg | — | 10.5deg | — | 10.1deg | — | 10.9deg |
Head Tube Angle | 69deg | 69deg | 70deg | 70deg | 70deg | 70deg | 70.5deg | 70.5deg | 70.5deg | 70.5deg | 71deg | 71deg | 71deg | 71deg |
Seat Tube Angle | — | 69.5deg | — | 69deg | — | 68.5deg | — | 68.25deg | — | 68.25deg | — | 68deg | — | 68.25deg |
Effective Seat Tube Angle, ETT HT Top | 69.5deg | — | 69deg | — | 68.5deg | — | 68.25deg | — | 68.25deg | — | 68deg | — | 68.25deg | — |
Head Tube Length | 90mm | 90mm | 95mm | 95mm | 100mm | 100mm | 109.9mm | 109.9mm | 135mm | 135mm | 150mm | 150mm | 170mm | 170mm |
Bottom Bracket Drop | 95mm | 95mm | 95mm | 95mm | 95mm | 95mm | 95mm | 95mm | 95mm | 95mm | 95mm | 95mm | 95mm | 95mm |
Bottom Bracket Height | 303mm | 298mm | 303mm | 298mm | 303mm | 298mm | 303mm | 298mm | 303mm | 298mm | 303mm | 298mm | 303mm | 298mm |
Chainstay Length | 450mm | 450mm | 450mm | 450mm | 450mm | 450mm | 450mm | 450mm | 450mm | 450mm | 450mm | 450mm | 450mm | 450mm |
Chainstay Length Horizontal | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm | 439.9mm |
Front-Center | 624.2mm | 624.2mm | 634.6mm | 634.6mm | 638.9mm | 638.9mm | 655.9mm | 655.9mm | 684.6mm | 684.6mm | 690.7mm | 690.7mm | 697.5mm | 697.5mm |
Front-Center Horizontal | 616.9mm | 616.9mm | 627.4mm | 627.4mm | 631.8mm | 631.8mm | 649mm | 649mm | 677.9mm | 677.9mm | 684.1mm | 684.1mm | 691mm | 691mm |
Wheelbase | 1056.8mm | 1056.8mm | 1067.3mm | 1067.3mm | 1071.7mm | 1071.7mm | 1088.9mm | 1088.9mm | 1117.8mm | 1117.8mm | 1124mm | 1124mm | 1130.9mm | 1130.9mm |
Fork Offset/Rake | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm |
Trail | 88.5mm very high | 86.6mm very high | 81mm very high | 79.2mm high | 81mm very high | 79.2mm high | 77.3mm high | 75.5mm high | 77.3mm high | 75.5mm high | 73.6mm high | 71.9mm high | 73.6mm high | 71.9mm high |
Mechanical Trail | 82.6mm | 80.8mm | 76.1mm | 74.4mm | 76.1mm | 74.4mm | 72.9mm | 71.2mm | 72.9mm | 71.2mm | 69.6mm | 68mm | 69.6mm | 68mm |
Wheel Flop | 29.6mm | 29mm | 26mm | 25.5mm | 26mm | 25.5mm | 24.3mm | 23.8mm | 24.3mm | 23.8mm | 22.7mm | 22.1mm | 22.7mm | 22.1mm |
Standover Height | 802.7mm | 802.7mm | 810mm | 810mm | 816.6mm | 816.6mm | 830.8mm | 830.8mm | 851.9mm | 851.9mm | 869.1mm | 869.1mm | 883.4mm | 883.4mm |
Tire to Pedal Spindle | 56.2mm 170 mm cranks | 61.2mm 170 mm cranks | 66.6mm 170 mm cranks | 71.6mm 170 mm cranks | 70.9mm 170 mm cranks | 75.9mm 170 mm cranks | 87.9mm 170 mm cranks | 92.9mm 170 mm cranks | 116.6mm 170 mm cranks | 121.6mm 170 mm cranks | 122.7mm 170 mm cranks | 127.7mm 170 mm cranks | 129.5mm 170 mm cranks | 134.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 133mm 170 mm cranks | 128mm 170 mm cranks | 133mm 170 mm cranks | 128mm 170 mm cranks | 133mm 170 mm cranks | 128mm 170 mm cranks | 133mm 170 mm cranks | 128mm 170 mm cranks | 133mm 170 mm cranks | 128mm 170 mm cranks | 133mm 170 mm cranks | 128mm 170 mm cranks | 133mm 170 mm cranks | 128mm 170 mm cranks |
Base Build
SML | SML | SML-MED | SML-MED | MED | MED | LRG | LRG | XL | XL | XXL | XXL | 3XL | 3XL | |
Wheel Size | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD | 32 in 686 mm BSD |
Tire Width | 55mm | 50mm | 55mm | 50mm | 55mm | 50mm | 55mm | 50mm | 55mm | 50mm | 55mm | 50mm | 55mm | 50mm |
Tire Width Max | — | 55mm | — | 55mm | — | 55mm | — | 55mm | — | 55mm | — | 55mm | — | 55mm |
Tire Outer Diameter | 796mm | 786mm | 796mm | 786mm | 796mm | 786mm | 796mm | 786mm | 796mm | 786mm | 796mm | 786mm | 796mm | 786mm |
Bike Length with Tires | 1852.8mm | 1842.8mm | 1863.3mm | 1853.3mm | 1867.7mm | 1857.7mm | 1884.9mm | 1874.9mm | 1913.8mm | 1903.8mm | 1920mm | 1910mm | 1926.9mm | 1916.9mm |
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
All-road/GravelSource:mosaiccycles.com