Geometry ?
Chumba Terlingua SL Titanium 2026 geometry in sizes 50–62: stack 534–648 mm, reach 370–432 mm, head angle 71.5–72°.
| 50 | 52 | 54 | 56 | 58 | 60 | 62 | |
|---|---|---|---|---|---|---|---|
| Stack | 534 mm | 562 mm | 574 mm | 593 mm | 609 mm | 628 mm | 648 mm |
| Reach | 370 mm | 373 mm | 384 mm | 389 mm | 399 mm | 413 mm | 432 mm |
| Head angle | 71.5° | 71.5° | 72° | 72° | 72° | 72° | 72° |
| Seat angle | 74.5° | 74° | 74° | 73.5° | 73.5° | 73.5° | 73.5° |
| Seat tube (?) | 465 mm | 500 mm | 515 mm | 530 mm | 545 mm | 575 mm | 590 mm |
| Head tube | 100 mm | 130 mm | 140 mm | 160 mm | 180 mm | 200 mm | 220 mm |
| Top tube (effective) | 520 mm | 535 mm | 550 mm | 565 mm | 580 mm | 600 mm | 625 mm |
| BB drop | 72 mm | 72 mm | 72 mm | 72 mm | 70 mm | 70 mm | 70 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: chumbausa.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 534 / reach 370 mm).
Stack and reach within 12 mm of size 52 (stack 562 / reach 373 mm).
Stack and reach within 12 mm of size 54 (stack 574 / reach 384 mm).
Stack and reach within 12 mm of size 56 (stack 593 / reach 389 mm).
Stack and reach within 12 mm of size 58 (stack 609 / reach 399 mm).
Stack and reach within 12 mm of size 60 (stack 628 / reach 413 mm).
Stack and reach within 12 mm of size 62 (stack 648 / reach 432 mm).
Spotted a mistake or a missing build? Let me know.