Dura Ace Di2 x Enve SES 4.5
Standard Factory Configuration

Frame
Colnago Y1Rs Monocoque carbon frame

Fork
Carbon fork for disc brakes, integrated cables, 1"1/8 section

Groupset
Shimano Dura Ace R9270 Di2 Disc - 12v
Headset
ID:35 OD:47 36°/45° CeramicSpeed SLT Treated Bearings
Thru Axle
Diameter: 12 mm. length 100 mm (front) - 142 mm (rear)

Wheelset
Enve WS SES 3.4 C

Tire
Pirelli PZero Race TLR 700x28
Crankset
Option 1 (Default) 52-36T Option 2 50-34T - Option 1 (Standard for sizes XS- S) 170 mm Option 2 (Standard for sizes S- M) 172.5 mm Option 3 (Standard for sizes M- XL) 175 mm
Bottom Bracket
T47 Shimano with Steel Bearings

Chain
Shimano CN-M9100 12V

Rear Derailleur
Shimano Shadow RD-R9250 12v

Sprocket
Option 1 (Default) 11-30T Option 2 11-34T
Shift Levers
Shimano DURA-ACE ST-R9270

Handlebar
Colnago CC.Y1 integrated Cockpit - regular geometry.

Brakes
Shimano Dura Ace R9270, 160 mm Front / 140 mm Rear, RT-CL900 rotors - Standard Flat Mount

Saddle
Scratch M5 Nack 140 Hard Black Selle Italia SLR Boost Superflow Carbon Rail (subject to stock availability)
Seatpost
Carbon seatpost, 0.15 offset, "D-Shape" section

Rotors
160 mm Front/ 140 mm Rear - RT-CL900 rotors

Stem
CCY1 integrated cockpit
Bar Tape
Colnago Grip Black or Colnago WT23 (for WT24 color scheme only)
Bottlecage
Colnago x Elite Bottle - custom bottle cages for Y1Rs (2x)
