Winspace G5 GRX 825 Di2

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Product Details

The Winspace G5 GRX 825 Di2 suits riders who prefer Shimano controls for linking tracks, road sections and gravel climbs. The single-chainring setup lets you focus on your line and select gearing from the levers.

This build’s cassette range matters when planning routes with changing gradients. Integrated storage provides a place for equipment, while cockpit fit and tyre choice help tailor the bike to your position and routes.

Technical Specifications

Frame: Toray T1100 + T800 carbon
Fork: carbon
Headset: FSA ACR 1½″
Available sizes: XS / S / M / L / XL / XXL
Drivetrain: Shimano GRX Di2 1×12, no front derailleur
Shifters: Shimano GRX RX825
Rear derailleur: Shimano GRX RD-RX827
Chainring: 42T
Cassette: 10–51T
Chain: 12-speed Shimano
Brakes: hydraulic disc
Wheels: Lún GRAPID2 700C D45 (steel spokes)
Tires: Michelin Power Gravel 700x40C; black or tan sidewalls, subject to availability
Tire clearance: up to 2.25″ front and 2.1″ rear; minimum 6 mm clearance from the frame and fork
Handlebar: Winspace Adventure integrated
Stem lengths: 85 / 95 / 105 / 115 / 125 / 135 mm
Handlebar widths: 360 / 380 / 400 / 420 mm, center to center
Handlebar widths at the drops: 475 / 495 / 515 / 535 mm, respectively (top width + 115 mm)
Handlebar geometry: 73 mm reach, 117 mm drop, and 12° flare
Bar tape: Selle Italia
Saddle: Selle Italia
Seatpost: aerodynamic carbon; minimum insertion of 100 mm
Compatible saddle rails: 7 × 7 mm metal and 7 × 9 mm carbon, with the corresponding clamp
Bottom bracket: T47, 68 mm
Axles: 12 × 100 mm thru-axle front and 12 × 142 mm rear
Derailleur hanger: SRAM UDH
Cable routing: internal via the ACR system
Storage: integrated frame compartment with FIDLOCK magnetic closure
Mounts: bottle cages and bento-style top tube bag

Geometry / Size Guide

Box Contents

Bicycle: 90% pre-assembled; requires assembly and final adjustment

Accessories: saddle, seatpost, seatpost wedge, metal rail clamp, bike computer mount, and seatpost dust cover

Hanger: SRAM UDH pre-installed

Weight

In size M with pedals: approx. 8.7 kg

Warranty

3-year legal warranty

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