The Merida eBig 9 You don't need to spend a fortune to enjoy the world of e-biking. A powerful but refined Shimano EP5 drive unit, but with the convenience of an easily removable externally mounted 504 Wh battery. Powerful, all-weather Shimano hydraulic disc brakes are on hand to keep control and the tough, long-lasting CUES drivetrain offers plenty of gearing for off-road adventures or the city streets. Lightweight aluminium frame with 29er wheels Refined Shimano EP5 drive unit with 60 Nm torque Easy-to-remove 504 Wh external battery Confidence inspiring mountain bike handling Versatile enough for the trail or the commute Comfort and control enhancing suspension fork 10 Speed Shimano Hydraulic Brakes Shimano Link-Glide Gearing In very good condition and well maintained. Note: Some assembly required Bike Sizing RecommendationsPlease note that the below are only suggestive recommendations based on 'average' body proportions and should therefore only be used as a basic guide. Adults bikes:145-161cm (4'10"- 5'3") - Small162-169cm (5'4"- 5'6") - Medium170-181cm (5''7"- 5'11") - LargePlease note that Trail Journeys cannot accept any responsibility for the purchase of incorrectly sized bikes based on the basic guide presented above.