Cylinder Kit Bidalot Racing Factory Wr 90Cc Derbi Euro 3 / 4

Bidalot 90cc Racing Cylinder Derbi Euro 3 French tuning specialist Bidalot has made it their mission to make the most powerful tuning parts on the market. Their latest development: the Bidalot Cylinder Racing Factory WR 90cc for Derbi Euro 3. Performance Bidalot RF-WR The Racing Factory RF-WR kits are built for ultimate speed and optimum take-offs, and consequently fulfilled their potential by setting not 1, but 2 new world records during Speed Week on the Bonneville Salt Flats Speedway (USA) in 2016. Design Bidalot RFWR Cylinder kit Bidalot reworked and improved their already powerful Racing Factory kits. Bore diameter is 50.5mm now, and to match the new dimensions, the cylinder features a 7 transfer port layout; the bridged exhaust port is supported and relieved by boost ports. The 3D CNC-machined cooling system provides optimum cooling and operational stability. The cylinder head is made of HQ aluminum (7075), the cylinder head cover is also CNC-machined and comes with a stunning looking matte black finish and Bidalot logo; it has an M10x1.00 opening for a temperature sensor and comes with a small plug to close it for use without sensor. The cylinder is meant to be used with a 4-hole exhaust flange, but can be used with a regular 2-hole flange as well (50mm spacing). Technical Specifications Bidalot RF90WR Nikasil-plated aluminium cylinder 7 transfer ports - bridged exhaust port + boost ports hypereutectic piston d=50.5mm piston ring 50.5x1mm small end bearing 13x17x17,5mm stroke 44.9mm - connecting rod 90mm