Offer only valid on the single unit in stock at VELOBBY, in size S/47 (160-178cm)! E-Bike Gravel with the latest generation "Smart System Bosch" motorization, Bosch SX motor at 25km/h optimized for gravel e-bikes, Shimano GRX 1x12 speed group... Optional: 250Wh range extender battery, providing a total of 650Wh of available autonomy if needed!... Color: Crystal Grey Satin Frame: CENTURION Crossfire D R EP1 Aluminum 28 12x142 Fork: CENTURION Carbon road/gravel III Motor: BOSCH SX 25km/h Display: BOSCH Purion 400 Battery: 400Wh (Optional 250Wh Battery Extender) Rear Derailleur: SHIMANO GRX 820 RD-RX822-SGS 1x12 Hyperglide+ Levers: SHIMANO GRX 610 ST-RX610 + BL-RX610 Brakes: SHIMANO GRX 610 BR-RX400 Crankset: CENTURION R Gen4 42T narrow-wide direct mount Cassette: SHIMANO SLX CS-M7100 10-51T Hyperglide+ Seat Post: PRC Carbon 30.9mm 400mm Saddle: PROCRAFT E-Pro II Tires: MAXXIS Rambler, 45-622 tubeless ready EXO, TR Wheels: PROCRAFT Altitude GX30 700 IW 23mm tubeless ready, 12x100/12x142mm Handlebar: PROCRAFT Gravel Pro II 31.8mm Width: 420mm (S), 440mm (M, L, XL) reach: 74mm drop: 116mm flare: 10deg. Stem: PROCRAFT Road Race II Angle: -7deg. 80mm Weight: 15.6 kg