Shimano GRX / BR-RX410 / SM-RT64 Rotor 160mm

CTM Carbon GRVL (max tire clearance 52mm) tapered, internal routing, 12mm thru axle

CTM KOYUK / ALU 6061 DB-Lite / GAG / ICR / 12x142mm, UDH, FSA T47 BB for SMNΦ24 (max tire clearance 55mm)

FSA NO.80/56/CR II Middle (integrated cable routing)

wheelset VISION TEAM 30 i23 / 12x100mm/12x142mm, Tubeless Ready

A versatile gravel bike with an all-new aluminum frame and lightweight carbon fork. The Koyuk 2.0 is comfortable for long days on rough terrain, yet nimble on the pavement. With up to 52mm of tire clearance, Vision TEAM 30 i23 aluminum wheels with a higher profile, FSA cockpit, comfortable WTB Solano saddle, UDH rear derailleur dropout, plenty of accessory mounts, a sleek design, and a Shimano GRX drivetrain.

CTM KOYUK 2.0

52cm

54cm

56cm

58cm

60cm

An aluminum frame gravel bike with upper mid-range components and shimano grx 400 hydraulic disc brakes.

Frame	Aluminum
Suspension	Rigid
Fork	Carbon
Wheels	700c Aluminum
Drivetrain	2 × 12
Groupset	GRX 800, GRX 600
Brakes	Shimano GRX 400 Hydraulic Disc

Frame	CTM KOYUK / ALU 6061 DB-Lite / GAG / ICR / 12x142mm, UDH, FSA T47 BB for SMNΦ24 (max tire clearance 55mm) BB Standard: T47, Threaded Hanger Standard: UDH Tire Clearance: 55c
Fork	CTM Carbon GRVL (max tire clearance 52mm) tapered, internal routing, 12mm thru axle
Bottom Bracket	T47, threaded
Headset	FSA NO.80/56/CR II Middle (integrated cable routing)
Handlebar	FSA A-Wing
Saddle	WTB Solano 142x240mm
Seatpost	CTM Alloy 27.2mm Type: Rigid

Rear Derailleur	Shimano GRX / FD-RX820
Crank	Shimano GRX / FC-RX610 46-30T
Shifters	Shimano GRX / RX-610 12spd
Chain	Shimano CN-HG6100
Brakes	Shimano GRX / BR-RX410 / SM-RT64 Rotor 160mm Type: Shimano GRX 400 Hydraulic Disc

2026 CTMKOYUK 2.0

2026 CTM
KOYUK 2.0