Geometry ?
Curve Belgie Disc 2026 geometry in sizes 50–61: stack 522–630 mm, reach 374–422 mm, head angle 72–73°.
| 50 | 52 | 53 | 54 | 55 | 56 | 58 | 61 | |
|---|---|---|---|---|---|---|---|---|
| Stack | 522 mm | 528 mm | 535 mm | 545 mm | 554 mm | 564 mm | 592 mm | 630 mm |
| Reach | 374 mm | 378 mm | 386 mm | 393 mm | 400 mm | 408 mm | 414 mm | 422 mm |
| Head angle | 72° | 72.5° | 72.5° | 72.5° | 72.5° | 72.5° | 73° | 73° |
| Seat angle | 74° | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° | 73° | 73° |
| Seat tube (?) | 505 mm | 525 mm | 535 mm | 545 mm | 555 mm | 570 mm | 590 mm | 625 mm |
| Head tube | 115 mm | 120 mm | 130 mm | 140 mm | 150 mm | 160 mm | 190 mm | 230 mm |
| Top tube (effective) | 524 mm | 534 mm | 544 mm | 554 mm | 564 mm | 574 mm | 595 mm | 615 mm |
| BB drop | 75 mm | 75 mm | 72 mm | 72 mm | 72 mm | 72 mm | 70 mm | 70 mm |
| Chainstay | 410 mm | 410 mm | 410 mm | 412 mm | 412 mm | 412 mm | 415 mm | 415 mm |
| Wheelbase | 968 mm | 969 mm | 981 mm | 993 mm | 1003 mm | 1013 mm | 1028 mm | 1048 mm |
| Standover | 745 mm | 757 mm | 768 mm | 777 mm | 787 mm | 799 mm | 824 mm | 860 mm |
| Fork length | 370 mm | 370 mm | 370 mm | 370 mm | 370 mm | 370 mm | 370 mm | 370 mm |
| Fork offset | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
(?) by the seat tube length: the manufacturer doesn’t say whether it’s measured centre to centre (c-c) or centre to top (c-t).
Source: cdn.shopify.com, checked 12 Nov 2026 · bar position: worked out from published data
Stock build
I don’t have the build for each size yet.
Frames with similar geometry
Stack and reach within 12 mm of size 50 (stack 522 / reach 374 mm).
Stack and reach within 12 mm of size 52 (stack 528 / reach 378 mm).
Stack and reach within 12 mm of size 53 (stack 535 / reach 386 mm).
Stack and reach within 12 mm of size 54 (stack 545 / reach 393 mm).
Stack and reach within 12 mm of size 55 (stack 554 / reach 400 mm).
Stack and reach within 12 mm of size 56 (stack 564 / reach 408 mm).
Stack and reach within 12 mm of size 58 (stack 592 / reach 414 mm).
Stack and reach within 12 mm of size 61 (stack 630 / reach 422 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 10 values for this model’s stem and bars. Add them