Pinarello X3 105 Di2 Bike

The Pinarello X3 105 Di2 Bike is part of Pinarello's X Series, the brand's endurance and all-road lineup built for riders who want a Pinarello for long days in the saddle rather than a pure race bike. At $4,750.00, the X3 105 Di2 is one of the more accessible ways into both the X Series and electronic shifting from Pinarello, pairing a Torayca T700 UD Carbon frame with Shimano's 105 Di2 groupset. It's a road bike, but one built with enough tire clearance and frame compliance to handle rougher pavement and light gravel without hesitation.

Pinarello builds the X3 around Torayca T700 carbon specifically for its vibration-damping properties, aiming to keep the frame reactive under power while smoothing out road vibration over a long ride. The X-Series Onda carbon fork and a flex-stay rear end work toward the same goal, and the frame's endurance geometry backs it up — head tube angles run more relaxed than a race bike's across the size range, and the riding position sits taller and less stretched out than Pinarello's race-oriented frames. Tire clearance goes up to 700x40mm, wide enough to run gravel-capable tires for riders who want one bike that handles a paved century one weekend and a dirt-road route the next.

Shifting comes from Shimano's 105 Di2 groupset — electronic shifting with wireless shift buttons paired to the same D-Fly-based system found on Shimano's higher-tier Ultegra and Dura-Ace Di2 groups, brought down to a more attainable price point. The crankset runs a 50/34 compact chainring setup against an 11-34 cassette, giving the X3 a wide enough range for long climbs on an endurance ride rather than just flat-road racing. Shimano 105 hydraulic disc brakes on 160mm rotors handle stopping, with consistent power in wet conditions that a rim-brake endurance bike can't match.

DT Swiss A1800 aluminum wheels keep the build cost-conscious while staying durable for everyday riding, wrapped in MOST TLR tubeless-ready tires at 700x38 — already running close to the frame's 40mm ceiling for a bit of cushion and traction beyond smooth pavement. The cockpit comes from MOST, Pinarello's in-house component brand: a Claw Ultra Aero alloy handlebar and stem keep the front end clean, a MOST Lynx saddle handles the contact point, and Ultragrip EVO bar tape rounds out the finishing kit. The X3 105 Di2 is available in Interstellar Alloy and Element Black, spanning nine frame sizes from 43cm to 60cm.

The X3 105 Di2 is built for the rider who wants a Pinarello without committing to a race bike's position, or who wants electronic shifting without stepping up to Ultegra or Dura-Ace pricing. It's suited to long weekend rides, century efforts, and routes that mix good pavement with rougher roads or gravel connectors — a bike that prioritizes staying comfortable and capable over the length of a ride rather than just being fast for the first hour of one.