2025 CERVELO R5 DURA-ACE DI2 SPECIFICATION

Fork	Cervélo All-Carbon, Tapered R5 Fork
Headset	FSA IS2 1-1/4 x 1-1/2
Gallows	Cervélo ST31 Carbon
Handlebar	Cervélo HB13 Carbon, diameter 31.8 mm
Seat post	Cervélo SP24 Carbon
Saddle	Prologo Scratch M5 PAS Nack
Controllers	Shimano Dura-Ace R9270, 12 speed
Brake calipers	Shimano Dura-Ace
Brake discs	Shimano CL900 Centerlock
Front derailleur	Shimano Dura-Ace R9250, 12 speed
Rear derailleur	Shimano Dura-Ace R9250, 12-speed, direct mount
Cassette	Shimano Dura-Ace, 11-34 teeth, 12 speed
Chain	Shimano M9100, 12 speeds
Crankset	Shimano Dura-Ace R9200, 52/36 teeth, 12 speed, 4iiii Precision Pro GEN3+ dual power meter
Bottom bracket	CeramicSpeed, BBright for 24mm axle
Wheels	Rear: Reserve 37TA, Zipp ZR1 SS hub, 12x142mm axle, HG freehub, 24 spokes, Centerlock, tubeless compatible Front: Reserve 34TA, Zipp ZR1 SS hub, 12x100mm axle, 24 spokes, Centerlock, tubeless compatible
Through axles	Cervélo Aero Thru-Axles, 12x100/142 mm
Tires	Vittoria Corsa Pro TLR 700x26mm
Maximum tire width	34 mm
Accessories	Cervélo Faceplate stem computer and accessory mount, Cervélo rear accessory mount