The Ridley E-Grifn Shimano 105 2x12 embodies the Belgian brand's first foray into the world of high-performance electric bikes. A true carbon all-road gravel e-bike, it expertly blends Ridley's racing DNA with the discreet assistance technology of the Mahle X20 system. Designed to deliver a natural pedaling feel while providing valuable support over long distances or demanding terrain, this electric gravel bike is aimed at cyclists looking to push their horizons without sacrificing agility or the lively handling of a lightweight bike.

Mahle X20 motor system: assistance that fades into the background

• Ultra-lightweight rear hub motor: the Mahle X20 system weighs only 1.375 kg and is housed in the rear hub. This architecture preserves the bike's balance and avoids any mechanical resistance beyond 25 km/h, guaranteeing a smooth riding experience even without assistance.
• Calibrated, progressive power: with 65 Nm of torque and up to 275 W of peak power, the X20 delivers assistance proportional to the rider's effort thanks to a torque sensor at the bottom bracket. Assistance fades progressively as it approaches the legal limit, for an always-natural feel.
• Integrated 350 Wh battery: Ridley has chosen Mahle's highest-capacity battery (350 Wh) for a range of up to 140 km. Fast charge to 80% in 2 hours, full charge in 3.5 hours. Option to add an external 171 Wh battery in place of a bottle cage to extend range to over 200 km.
• Connected management: the system is controlled via the Mahle app, allowing customization of assistance modes and real-time battery status monitoring. Motor-frame connection is via AMC (Automatic Motor Connection), with no visible cable or port.

Elite Series carbon frame and versatile all-road geometry

• High-performance Elite Series carbon: the E-Grifn frame in Elite Series carbon offers excellent rigidity-to-comfort ratio. It discreetly integrates the battery and all cables (fully internal F-Steerer routing), preserving the clean aesthetics dear to Ridley.
• Balanced road/gravel geometry: the E-Grifn geometry borrows from the classic Grifn its intermediate positioning between road endurance and gravel racing. Head angle 72° (71.5° in XS), generous wheelbase (around 1005–1058 mm depending on size), short 420 mm chainstays and lowered bottom bracket (71–75 mm drop depending on size) ensure both cornering reactivity and stability on rough terrain.
• Generous tire clearance: up to 42 mm in 700c (1x configuration) or 38 mm (2x configuration as here). Enough to fit voluminous gravel tires for exploration or fast slicks for the road.
• Multiple mounting points: fenders, rack, triple bottle cage positions, integrated dynamo routing—the E-Grifn lends itself equally to sport outings and light bikepacking.
• UDH (Universal Derailleur Hanger): universal derailleur hanger to facilitate maintenance and future compatibility.

Shimano 105 2x12 groupset: proven reliability and versatility

• Shimano 105 2x12-speed drivetrain: compact 50/34 crankset, 11-34 cassette. This ratio offers a very wide gear range, ideal for alternating between rolling roads, fast trails and steep loaded climbs.
• Shimano 105 hydraulic braking: safe, modulated braking power, essential for controlling the additional weight of the electric system on descents or rough paths.
• Crisp shifts under load: the new Shimano 105 12-speed generation guarantees smooth shifts even when pedaling hard, valuable during assisted accelerations.

Quality equipment and finishing touches

• 4ZA Norte G Tubeless Ready wheels: 700c aluminum rims optimized for gravel, rear hub integrating the Mahle X20 motor. Tubeless setup possible to gain comfort and reduce puncture risk.
• Versatile Vittoria tires: Vittoria Zaffiro Pro or Zaffiro Evo V in 700x32c/30c depending on version, offering a good speed/grip compromise on mixed surfaces.
• High-performance Deda cockpit: Deda Super Zero Gravel Alloy handlebar with flare, Deda Super Box 110 mm stem. Proven road/gravel ergonomics for long rides.
• Forza Aero seatpost: aero profile, zero offset, 350 mm length for wide height adjustment range.
• Selle Italia Model X saddle: neutral comfort suited to long distances.

Available variants

• XS size: Shimano 105 165 mm crankset—geometry and stack adapted to riders 163–174 cm.
• S, M, L, XL sizes: 170–172 mm crankset—progressive wheelbase and reach for riders from 171 cm to 195 cm.

Each size benefits from the same level of equipment and finishing, guaranteeing a consistent experience regardless of rider stature.

Summary and recommended use

The Ridley E-Grifn Shimano 105 2x12 is aimed at demanding cyclists seeking an electric gravel bike that is lightweight, agile and versatile enough to tackle rolling roads, side trails and bikepacking outings. The Mahle X20 assistance stands out for its discretion: it amplifies the rider's effort without ever taking over, preserving the sensations of a real bike. With its Elite Series carbon frame, expandable range and hydraulic Shimano 105 2x12 groupset, the E-Grifn combines performance, reliability and riding pleasure—the perfect alliance between Ridley's racing expertise and Mahle's electric innovation.