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)

A versatile gravel bike with an all-new aluminum frame and lightweight carbon fork. The Koyuk 1.0 is comfortable for long days on rough terrain, yet nimble on the pavement. Up to 52mm tire clearance, higher-profile CTM GA60 aluminum wheels, FSA cockpit, ergonomic Selle Royal saddle, UDH rear derailleur dropout, plenty of accessory mounts, a sleek design, and a Shimano GRX drivetrain.

Telaio	Alluminio
Sospensioni	Rigido
Forcella	Carbonio
Ruote	700c Alluminio
Trasmissione	2 × 10
Gruppo	GRX 600, GRX 400
Freni	Shimano GRX 400 Disco idraulici

Telaio	CTM KOYUK / ALU 6061 DB-Lite / GAG / ICR / 12x142mm, UDH, FSA T47 BB for SMNΦ24 (max tire clearance 55mm) Standard BB: T47, Filettato Supporto standard: UDH Tolleranza pneumatici: 55c
Forcella	CTM Carbon GRVL (max tire clearance 52mm) tapered, internal routing, 12mm thru axle
Bottom Bracket	T47, threaded
Auricolare	FSA NO.80/56/CR II Middle (integrated cable routing)
Manubrio	FSA A-Wing
Sella	Selle Royal
Reggisella	CTM Alloy 27.2mm Tipo: Rigido

Deragliatore posteriore	Shimano GRX / FD-RX400
Manovella	Shimano GRX / FC-RX600 46-30T
Leve del cambio	Shimano GRX / RX-400 10spd
Catena	Shimano HG54 10spd
Freni	Shimano GRX / BR-RX400 Tipo: Shimano GRX 400 Disco idraulici

Cerchi	CTM GA60 700x26 28H
Mozzo anteriore	Novatec D981SB/D462TSB Thru axle 28H
Mozzo posteriore	Novatec D981SB/D462TSB Thru axle 28H

2026 CTMKOYUK 1.0

2026 CTM
KOYUK 1.0