2021 Curve Cycling Belgie ULTRA V1
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Titanium
- Fork
- Carbon/Composite
- Features
- Disc brake
Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category |
Geometry
46 | 49 | 52 | 54 | 56 | 58 | 61 | 64 | |
Stack | 526mm | 538mm | 552mm | 574mm | 596mm | 622mm | 641mm | 650mm |
Reach | 377mm | 383mm | 387mm | 390mm | 393mm | 398mm | 404mm | 411mm |
Stack to Reach Ratio | 1.4:1 | 1.4:1 | 1.43:1 | 1.47:1 | 1.52:1 | 1.56:1 | 1.59:1 | 1.58:1 |
Seat Tube Length, C-T | 460mm | 490mm | 520mm | 540mm | 560mm | 580mm | 610mm | 640mm |
Top Tube Length, Effective/Horizontal HT Top | 528mm | 537mm | 545mm | 555mm | 564mm | 588mm | 600mm | 610mm |
Top Tube Slope | 9.5deg | 7.4deg | 5.6deg | 5.8deg | 6deg | 6.8deg | 5.7deg | 3.6deg |
Head Tube Angle | 70.5deg | 71deg | 71.5deg | 72deg | 72deg | 72.5deg | 72.5deg | 72.5deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg | 74deg | 73deg | 73deg | 73deg |
Head Tube Length | 125mm | 135mm | 148mm | 170mm | 195mm | 220mm | 240mm | 250mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 75mm | 73mm | 73mm | 73mm | 73mm |
Bottom Bracket Height | 268mm | 268mm | 268mm | 268mm | 270mm | 270mm | 270mm | 270mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 428mm | 428mm | 430mm | 430mm |
Chainstay Length Horizontal | 418.3mm | 418.3mm | 418.3mm | 418.3mm | 421.7mm | 421.7mm | 423.8mm | 423.8mm |
Front-Center | 587mm | 592mm | 596mm | 603mm | 613mm | 620mm | 632mm | 643mm |
Front-Center Horizontal | 582.7mm | 587.7mm | 591.7mm | 597.7mm | 608.3mm | 616.3mm | 628.2mm | 638.2mm |
Wheelbase | 1001mm | 1006mm | 1010mm | 1016mm | 1030mm | 1038mm | 1052mm | 1062mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Fork Length (Axle-To-Crown) | 370mm | 370mm | 370mm | 370mm | 370mm | 370mm | 370mm | 370mm |
Trail | 73.7mm high | 70.5mm high | 67.3mm high | 64.1mm mid/​neutral | 64.1mm mid/​neutral | 61mm mid/​neutral | 61mm mid/​neutral | 61mm mid/​neutral |
Mechanical Trail | 69.5mm | 66.7mm | 63.8mm | 61mm | 61mm | 58.1mm | 58.1mm | 58.1mm |
Wheel Flop | 23.2mm | 21.7mm | 20.3mm | 18.9mm | 18.9mm | 17.5mm | 17.5mm | 17.5mm |
Standover Height | 728mm | 747mm | 769mm | 790mm | 812mm | 834mm | 857mm | 876mm |
Tire to Pedal Spindle | 74mm 170 mm cranks | 79mm 170 mm cranks | 83mm 170 mm cranks | 90mm 170 mm cranks | 100mm 170 mm cranks | 107mm 170 mm cranks | 119mm 170 mm cranks | 130mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 100mm 170 mm cranks | 100mm 170 mm cranks | 100mm 170 mm cranks | 100mm 170 mm cranks |
V1 Build
46 | 49 | 52 | 54 | 56 | 58 | 61 | 64 | |
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 | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Width Max | 35mm | 35mm | 35mm | 35mm | 35mm | 35mm | 35mm | 35mm |
Tire Outer Diameter | 686mm | 686mm | 686mm | 686mm | 686mm | 686mm | 686mm | 686mm |
Bike Length with Tires | 1687mm | 1692mm | 1696mm | 1702mm | 1716mm | 1724mm | 1738mm | 1748mm |
Published Sizing Recommendations
Height | 147 cm to 157 cm | 155 cm to 165 cm | 161 cm to 170 cm | 168 cm to 177 cm | 175 cm to 184 cm | 183 cm to 192 cm | 191 cm to 201 cm | 198 cm to 208 cm |
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
Endurance RoadSource:https://www.curvecycling.com/products/belgie-ultra-frameset
