Models · CTM · Koyuk

CTM Koyuk CR (carbon) (2026)

gravel · carbon · sizes 520–580 · tyres up to 52 mm Manufacturer’s website

Geometry ?

CTM Koyuk CR (carbon) 2026 geometry in sizes 520–580: stack 547–604 mm, reach 370–397 mm, head angle 71°.

	520	540	560	580
Stack	547 mm	562 mm	581 mm	604 mm
Reach	370 mm	379 mm	388 mm	397 mm
Head angle	71°	71°	71°	71°
Seat angle	73°	73°	72.5°	72.5°
Seat tube (c-t)	490 mm	520 mm	540 mm	560 mm
Head tube	125 mm	140 mm	160 mm	185 mm
Top tube (effective)	537 mm	550 mm	571 mm	588 mm
BB drop	69 mm	69 mm	69 mm	69 mm
Chainstay	435 mm	435 mm	435 mm	435 mm
Wheelbase	1022 mm	1036 mm	1052 mm	1069 mm
Fork length	399 mm	399 mm	399 mm	399 mm
Fork offset	55 mm	55 mm	55 mm	55 mm
Stock build by size
Stem	80 mm	80 mm	80 mm	80 mm
Stem angle	−10°	−10°	−10°	−10°
Bar width	420 mm	420 mm	420 mm	420 mm
Seatpost setback	0 mm	0 mm	0 mm	0 mm

Source: ctm.sk, checked 1 Nov 2026 · bar position: worked out from published data

Stock build

Koyuk CR Race

Groupset: SRAM Rival XPLR AXS 1×13 (40T, 10-46)
Shifters: SRAM Rival AXS (E1)
Cranks: SRAM Rival XPLR DUB Wide 40T
Stem: FSA NS SMR-II 80 mm
Handlebar: FSA A-Wing
Seatpost: FSA Afterburner SB0 27.2
Saddle: FIZIK Terra Argo X5 150 mm

Koyuk CR

Groupset: Shimano GRX RX610/RX822 1×12 (40T, 10-51)
Shifters: Shimano GRX RX610
Cranks: Shimano GRX FC-RX610 40T
Stem: FSA NS SMR-II 80 mm
Handlebar: FSA A-Wing
Seatpost: FSA Afterburner SB0 27.2
Saddle: FIZIK Terra Argo X5 150 mm

Source for all builds: ctm.sk, checked 1 Nov 2026

Frames with similar geometry

Stack and reach within 12 mm of size 560 (stack 581 / reach 388 mm).

Bottecchia Gravel Overland (2026)size 54 · stack 581 / reach 388 mm Bottecchia Gravel SL (2026)size 54 · stack 581 / reach 388 mm Daccordi Mannaro (2026)size L · stack 581 / reach 388 mm Kaze Stampede (2026)size 54 · stack 581 / reach 388 mm Officina Battaglin Siena (2026)size M+ · stack 581 / reach 388 mm Planet X Reiver (2026)size L · stack 581 / reach 388 mm

Spotted a mistake or a missing build? Let me know.