2020 - 2024 Curve Cycling GXR 650b
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Titanium
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XXS | XS | SM | MD | LG | XL | XXL | |
Stack | 547mm | 550mm | 561mm | 575mm | 591mm | 608mm | 642mm |
Reach | 362mm | 373mm | 383mm | 389mm | 396mm | 405mm | 408mm |
Stack to Reach Ratio | 1.51:1 | 1.47:1 | 1.46:1 | 1.48:1 | 1.49:1 | 1.5:1 | 1.57:1 |
Seat Tube Length, C-T | 460mm | 500mm | 530mm | 560mm | 580mm | 595mm | 615mm |
Top Tube Length, Effective/Horizontal HT Top | 529mm | 541mm | 554mm | 564mm | 574mm | 589mm | 604mm |
Top Tube Slope | 12.2deg | 7.9deg | 5.8deg | 4.1deg | 3.7deg | 3.9deg | 5.2deg |
Head Tube Angle | 71deg | 71deg | 71.5deg | 71.5deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 110mm | 115mm | 125mm | 136mm | 150mm | 170mm | 210mm |
Bottom Bracket Drop | 72mm | 70mm | 70mm | 70mm | 68mm | 68mm | 68mm |
Bottom Bracket Height | 273.3mm | 275.3mm | 275.3mm | 275.3mm | 277.3mm | 277.3mm | 277.3mm |
Chainstay Length | 432mm | 432mm | 432mm | 432mm | 432mm | 432mm | 435mm |
Chainstay Length Horizontal | 426mm | 426.3mm | 426.3mm | 426.3mm | 426.6mm | 426.6mm | 429.7mm |
Front-Center | 584mm | 596mm | 605mm | 615mm | 621mm | 636mm | 652mm |
Front-Center Horizontal | 579mm | 591.7mm | 600.7mm | 610.7mm | 617.4mm | 632.4mm | 648.4mm |
Wheelbase | 1005mm | 1018mm | 1027mm | 1037mm | 1044mm | 1059mm | 1078mm |
Fork Offset/Rake | 51mm | 51mm | 51mm | 51mm | 51mm | 51mm | 51mm |
Fork Length (On-Axis) | 400mm | 400mm | 400mm | 400mm | 400mm | 400mm | 400mm |
Trail | 65mm mid/​neutral | 65mm mid/​neutral | 61.8mm mid/​neutral | 61.8mm mid/​neutral | 58.6mm mid/​neutral | 58.6mm mid/​neutral | 58.6mm mid/​neutral |
Mechanical Trail | 61.4mm | 61.4mm | 58.6mm | 58.6mm | 55.7mm | 55.7mm | 55.7mm |
Wheel Flop | 20mm | 20mm | 18.6mm | 18.6mm | 17.2mm | 17.2mm | 17.2mm |
Standover Height | 728mm | 755mm | 777mm | 798mm | 817mm | 833mm | 860mm |
Tire to Pedal Spindle | 73.7mm 165 mm cranks | 85.7mm 165 mm cranks | 89.7mm 170 mm cranks | 99.7mm 170 mm cranks | 100.7mm 175 mm cranks | 115.7mm 175 mm cranks | 131.7mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 108.3mm 165 mm cranks | 110.3mm 165 mm cranks | 105.3mm 170 mm cranks | 105.3mm 170 mm cranks | 102.3mm 175 mm cranks | 102.3mm 175 mm cranks | 102.3mm 175 mm cranks |
650b Build
XXS | XS | SM | MD | LG | XL | XXL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.1in | 2.1in | 2.1in | 2.1in | 2.1in | 2.1in | 2.1in |
Tire Width Max | 2.25in | 2.25in | 2.25in | 2.25in | 2.25in | 2.25in | 2.25in |
Tire Outer Diameter | 690.7mm | 690.7mm | 690.7mm | 690.7mm | 690.7mm | 690.7mm | 690.7mm |
Bike Length with Tires | 1695.7mm | 1708.7mm | 1717.7mm | 1727.7mm | 1734.7mm | 1749.7mm | 1768.7mm |
Crank Length | 165mm | 165mm | 170mm | 170mm | 175mm | 175mm | 175mm |
Handlebar Width | 400mm | 400mm | 420mm | 440mm | 460mm | 460mm | 460mm |
Stem Length | 70mm | 70mm | 70mm | 80mm | 80mm | 90mm | 90mm |
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:https://www.curvecycling.com.au/collections/gravel-bikes/products/curve-gxr-kevin