2026 Mosaic Cycles GT-2 i45 Base
- Category
- Progressive Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Titanium
- Fork
- Carbon/Composite
- Features
- Disc brake
Average stack and reachvs category | 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 |
Geometry
48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | |
Stack | 530mm | 544.1mm | 563mm | 573mm | 584mm | 604.6mm | 625mm | 648mm |
Reach | 376mm | 382.1mm | 381mm | 383mm | 396mm | 403.9mm | 408mm | 410mm |
Stack to Reach Ratio | 1.41:1 | 1.42:1 | 1.48:1 | 1.5:1 | 1.47:1 | 1.5:1 | 1.53:1 | 1.58:1 |
Seat Tube Length, C-T | 480mm | 500mm | 520mm | 540mm | 560mm | 580mm | 590mm | 610mm |
Top Tube Length, Effective/Horizontal Unknown | 526mm | 535.6mm | 545mm | 555mm | 575mm | 590mm | 605mm | 615mm |
Top Tube Slope | 8.2deg | 8deg | 7.5deg | 6.9deg | 5.8deg | 6deg | 6.6deg | 6.4deg |
Head Tube Angle | 70.3deg | 70.3deg | 70.3deg | 70.5deg | 70.8deg | 71deg | 71.3deg | 71.3deg |
Seat Tube Angle | 74.5deg | 74.5deg | 74deg | 73.5deg | 73deg | 73deg | 72.5deg | 72.5deg |
Head Tube Length | 100mm | 115mm | 135mm | 145mm | 155mm | 175mm | 195mm | 220mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 75mm | 75mm | 75mm | 75mm | 75mm |
Bottom Bracket Height | 281mm | 281mm | 281mm | 281mm | 281mm | 281mm | 281mm | 281mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm | 435mm | 435mm | 435mm | 440mm |
Chainstay Length Horizontal | 428.5mm | 428.5mm | 428.5mm | 428.5mm | 428.5mm | 428.5mm | 428.5mm | 433.6mm |
Front-Center | 602mm | 613.6mm | 619mm | 623mm | 636mm | 646.7mm | 654mm | 665mm |
Front-Center Horizontal | 597.5mm | 609.5mm | 614.5mm | 618.5mm | 631.5mm | 642.5mm | 650.5mm | 660.4mm |
Wheelbase | 1026mm | 1038mm | 1043mm | 1047mm | 1060mm | 1071mm | 1079mm | 1094mm |
Fork Offset/Rake | 55mm | 55mm | 55mm | 55mm | 55mm | 53mm | 53mm | 53mm |
Trail | 69.1mm high | 69.1mm high | 69.1mm high | 67.7mm high | 65.7mm high | 66.5mm high | 64.6mm mid/​neutral | 64.6mm mid/​neutral |
Mechanical Trail | 65mm | 65mm | 65mm | 63.8mm | 62.1mm | 62.9mm | 61.1mm | 61.1mm |
Wheel Flop | 21.9mm | 21.9mm | 21.9mm | 21.3mm | 20.4mm | 20.5mm | 19.6mm | 19.6mm |
Standover Height | 753mm | 771.7mm | 793mm | 805mm | 824mm | 838.8mm | 856mm | 875mm |
Tire to Pedal Spindle | 76mm 170 mm cranks | 87.6mm 170 mm cranks | 93mm 170 mm cranks | 97mm 170 mm cranks | 110mm 170 mm cranks | 120.7mm 170 mm cranks | 128mm 170 mm cranks | 139mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks |
Base Build
48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | |
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 | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Tire Outer Diameter | 712mm | 712mm | 712mm | 712mm | 712mm | 712mm | 712mm | 712mm |
Bike Length with Tires | 1738mm | 1750mm | 1755mm | 1759mm | 1772mm | 1783mm | 1791mm | 1806mm |
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