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

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

CTM Carbon T70 GRVL, (max tire clearance 52mm), internal cable routing, adventure ready, 12mm thru axle, SHIMANO BB-RS501 BSA

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

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

A lightweight, carbon gravel bike that knows no boundaries. Today's gravel cycling has branched out into many directions - racing, bikepacking, commuting... The KOYUK CR offers the best of all worlds. It is equipped with a lightweight carbon frame and carbon fork, many mounts for gravel accessories, has wide tire clearance (up to 52mm), but maintains a sporty geometry.

CTM KOYUK CR

52cm

54cm

56cm

58cm

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

Frame	Carbon
Suspension	Rigid
Fork	Carbon
Wheels	700c Aluminum
Drivetrain	1 × 12
Groupset	GRX 800, GRX 600
Brakes	Shimano GRX 400 Hydraulic Disc

Frame	CTM Carbon T70 GRVL, (max tire clearance 52mm), internal cable routing, adventure ready, 12mm thru axle, SHIMANO BB-RS501 BSA BB Standard: BSA, 68mm, Threaded
Fork	CTM Carbon GRVL (max tire clearance 52mm) tapered, internal routing, 12mm thru axle
Bottom Bracket	BSA, 68mm, threaded
Headset	FSA NO.80/56/CR II Middle (integrated cable routing)
Handlebar	FSA A-Wing
Saddle	FIZIK TERRA ARGO X5-150mm
Seatpost	FSA Afterburner SB0 / Ø27.2mm Type: Rigid

Rear Derailleur	Shimano GRX / RD-RX822
Crank	Shimano GRX / FC-RX610 40T
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 CR

2026 CTM
KOYUK CR