CTM Koyuk 2.0

Name: CTM Koyuk 2.0
Brand: CTM

2026 RoadGravel Manufacturer page

Price: Not published

Prices shown first for United States
Europe: €1,699 Last known price
Suspension: Rigid
Wheels: 700c
Drivetrain: 2 × 12 30–46t
Frame: Aluminum
Brakes: Hydraulic disc

Sizes

Size guide

52cm
54cm
56cm
58cm
60cm

The manufacturer did not publish rider heights for these sizes.

Components

9 of 13 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

CTM KOYUK / ALU 6061 DB-Lite / GAG / ICR / 12x142mm, UDH, FSA T47 BB for SMNΦ24 (max tire clearance 55mm) Not identified

Suspension

1 part

Fork

CTM Carbon GRVL (max tire clearance 52mm) tapered, internal routing, 12mm thru axle Not identified

Drivetrain

5 parts

Bottom bracket

T47, threaded Not identified
Chain
- Shimano
CN-HG6100
Crankset
- Shimano GRX FC-RX610 12 speeds 30t
FC-RX610
Rear derailleur
- Shimano GRX
FD-RX820
Shifters
- Shimano GRX ST-RX610
ST-RX610RX-610

Brakes

1 part

Brakes
- Shimano GRX BR-RX410
BR-RX410SM-RT64

Wheels and tires

1 part

Rims
- Vision

Cockpit and contact points

4 parts

Handlebar
- FSA
Headset
- FSA
Saddle
- WTB Solano
Seatpost

CTM Alloy 27.2mm Not identified

Sizes and geometry

5 sizes Open in the geometry plotter

Complete rider-height ranges are not published for these sizes. You can still explore the geometry below.

Size 56cm

Table

Geometry diagram unavailable

The drawing needs bottom bracket drop / Bottom bracket height, which the manufacturer did not publish. Available facts remain in the table.

Size Reach Stack

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	380	390	400	405	415
Stackmm	530	548	566	585.5	604
Top tube lengthmm	531	547	562.5	584	600
Seat tube lengthmm	460	495	520	540	565
Head tube lengthmm	100	120	140	160	180
Head tube angle	70.5°	70.5°	70.5°	70.5°	70.5°
Seat tube angle	74°	74°	74°	73°	73°
Chainstay lengthmm	430	430	430	435	435
Wheelbasemm	1022	1039	1055	1072	1088.8
Front centermm	604	620	637	648	665
Fork rakemm	55	55	55	55	55
Stack/reach ratio	1.40	1.41	1.42	1.45	1.46

Not published by the manufacturer: Bottom bracket drop, Bottom bracket height, Standover height, Trail, Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Fork material: Carbon

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 2
Smallest chainring: 30
Largest chainring: 46
Rear sprockets: 12

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: T47
Tire clearance: Maximum tire width: 55c
Wheel material: Aluminum
Wheel size: 700c

Technical analysis

1 measure

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Shifting

Mechanical

706 of 1,980 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2026
Sample: 1,980 bicycles with this information
Coverage: 99.6% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2026 builds

Differences across 2026 builds
Specification	This bicycle CTM Koyuk 2.0	CTM Koyuk 1.0	CTM Koyuk 3.0	CTM Koyuk CR	CTM Koyuk CR Race
Frame
Frame material	Aluminum	Aluminum	Aluminum	Carbon	Carbon
Drivetrain
Front chainrings	2	2	1	1	1
Smallest chainring	30	30	40	40	40
Largest chainring	46	46	40	40	40
Rear sprockets	12	10	12	12	13
Cockpit
Derailleur hanger	UDH	UDH	UDH	Not informed	Not informed
Shifting	Mechanical	Mechanical	Mechanical	Mechanical	Electronic
Other specifications
Bottom bracket standard	T47	T47	T47	BSA	BSA
Tire clearance	Maximum tire width: 55c	Maximum tire width: 55c	Maximum tire width: 55c	Not informed	Not informed
Wheel material	Aluminum	Aluminum	Aluminum	Aluminum	Carbon