~8.75 kg (Size M, without pedals)

Frame: T700 + T800 + M40 carbon fiber Fork: Full carbon Headset: 1-1/2" Weight: Approx. 970 g

Shifters: Shimano Ultegra ST-R8170 Front Derailleur: Shimano Ultegra FD-R8150 Rear Derailleur: Shimano Ultegra RD-R8150 Crankset: Shimano 105 50-34T Cassette: Shimano 105 11-34T Chain: Shimano Ultegra CN-M8100

Wheelset: Lún Gryper 35mm Full Carbon Disc Brake Wheelset with Carbon Spokes and 700×40C tires Tires: Michelin POWER GRAVEL 700×40C

Cockpit & Contact Points

Handlebar: Adventure Integrated handlebar (360/380/400/420/440 mm) Stem Length: 85/95/105/115/125/135 mm Bar Tape: Selle Italia SG-Tape Saddle: Selle Italia Novus Boost EVO X-Cross Superflow Seatpost: AERO carbon fiber

Your new bike arrives 90% assembled. In addition to the pre-assembled frameset and components, the accessory box includes the following items for final installation:

Saddle Seatpost Seatpost Wedge Steel Rail Saddle Clamp Computer Mount Kit Spare Derailleur Hanger (one is pre-installed) Seatpost Dust Cover Water Bottle Cage Bolts (x4) Assembly Tool Kit Pedals

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G3 Ultegra DI2

Name: G3 Ultegra DI2
Brand: Winspace
Price: 4199.0 USD
Availability: InStock

Regular price$4,199.00

Shipping calculated at checkout.

Built on the groundbreaking G3 platform, this complete gravel bike blends aerodynamic speed with all-terrain confidence. Every detail—from the integrated cockpit to the carbon wheelset—is optimized for precision handling and race-level performance. The G3 Complete redefines modern gravel with the perfect mix of stiffness, stability, and comfort.

Pro-Level Electronic Shifting: Shimano Ultegra Di2 R8170 2×12

Carbon integrated cockpit for improved stiffness and control

Lún Gryper 35mm Full Carbon Disc Brake Wheelset with Carbon Spokes and 700×40C tires

Agile, responsive handling for fast gravel and mixed-surface routes

Lightweight performance that bridges race speed and adventure comfort

Color

Pearl White

Lunar Grey

Pink Clay

Carbon Black

Caffè Macchiato

Size

440(XS)

460(S)

480(M)

510(L)

540(XL)

Quantity

This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.

Shipping & Assembly Information

Because customs policies and logistics channels vary by country, all complete bike orders are shipped using Single-Box Shipping:

The bike arrives 90% pre-assembled.
You’ll only need to attach the handlebar, seatpost & saddle, front wheel, and pedals.
Assembly is straightforward, and we include the necessary tools and instructions.

If you prefer professional assistance, we recommend having the bike assembled by your local bike shop or a qualified mechanic to ensure optimal performance and safety.

Delivery Timeline

Please note that due to the special nature of a complete bike, the shipping timeline for frames or wheelsets does NOT apply to complete bike orders.

Once we receive your order, we need to either assemble the bike ourselves or arrange for all components to be delivered to our partnered assembly facility. For this reason, the estimated delivery time is around 25 to 35 days.

US, Europe, and China warehouses for optimal shipping based on your order and address. Local warehouse shipping offers faster delivery compared to the listed options above.

For COMPLETE BIKES, final assembly and last-mile delivery will be handled by our partners located within the EU and US. Consequently, the lead time will be longer than for orders of individual parts.

COMPLETE BIKES require oversized shipping and are therefore NOT covered by our free shipping policy at this time. An additional $100 shipping fee applies to all destinations outside of Asia. Thank you for your understanding.

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Build Specs

~8.75 kg (Size M, without pedals)

Frame: T700 + T800 + M40 carbon fiber
Fork: Full carbon
Headset: 1-1/2"
Weight: Approx. 970 g

Shifters: Shimano Ultegra ST-R8170
Front Derailleur: Shimano Ultegra FD-R8150
Rear Derailleur: Shimano Ultegra RD-R8150
Crankset: Shimano 105 50-34T
Cassette: Shimano 105 11-34T
Chain: Shimano Ultegra CN-M8100

Wheelset: Lún Gryper 35mm Full Carbon Disc Brake Wheelset with Carbon Spokes and 700×40C tires
Tires: Michelin POWER GRAVEL 700×40C

Handlebar: Adventure Integrated handlebar (360/380/400/420/440 mm)
Stem Length: 85/95/105/115/125/135 mm
Bar Tape: Selle Italia SG-Tape
Saddle: Selle Italia Novus Boost EVO X-Cross Superflow
Seatpost: AERO carbon fiber

Bottom Bracket: T47–68 mm

What's in the Box

Saddle
Seatpost
Seatpost Wedge
Steel Rail Saddle Clamp
Computer Mount Kit
Spare Derailleur Hanger (one is pre-installed)
Seatpost Dust Cover
Water Bottle Cage Bolts (x4)
Assembly Tool Kit
Pedals

Frame Specs

Size: XS/S/M/L/XL (440/460/480/510/540)

Carbon Fiber Grade: T700 + T800 + M40

Bottom Bracket (BB): T47-68

Seatpost: Aero

Brake Type: Flat Mount Disc Brake

Axle Spacing : Front: 100mm, Rear: 142mm

Thru-Axle Dimensions:

Front: M12P1.0114L

Rear: M12P1.0163L

Max Tire Clearance: 700x50C

Headset: 1-1/2" / 1-1/2" (FSA ACR system)

Cable Routing: Internal

Raw Weight (approximate): Frame (M size): 950g, Fork: 450g, 360mm Seatpost: 130g

Finish: UD

Derailleur Hanger: UDH

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G3 Ultegra DI2

Shipping & Assembly Information

Delivery Timeline

Frame Specs

Customer Reviews