The Boardman ADV 8.9E includes a 250wh battery that gets 60 miles on a single charge, which is a decent enough metric for one of the best gravel e bikes, but it also comes with a quick charger that arrives at a full charge in under three hours, that being in part of ii being declared one of the best electric road bikes. Verified purchasers loved the integrated sensors that account for torque, speed, and cadence when determining pedal assist and the integrated app, which boasts a speedometer, GPS, and a whole lot more. The Boardman ADV E is a fast and practical electric Adventure bike, which uses the sophisticated, German engineered Fazua Evation drive system to offer smooth and powerful electric assistance as you pedal.\r\nWhy We Like It - Boardman ADV 8.9E\r\nIncluding a removable 250 wh battery that fully recharges in under three hours the Boardman ADV 8.9E is an incredible E bike, in addition to getting around 60 miles per charge, The Boardman ADV 8.9E is in part designed as an adventure bike hence the ADV in the name.\r\n\r\nDurability & Build Quality\r\nBoardman designed the ADV 8.9e to offer maximum versatility for an Electric bike for any electric adventures. Blending the speed of a road bike with a more relaxed position and off road focussed geometry means this bike can turn its hand to almost anything. With the smooth power of the Fazua motor driving you onwards, you can explore further and faster than ever before, confident that you can tackle any hidden hills. While not a great matchup against road bikes the ADV 8.9E can compete with other gravel bikes like the Yamaha Wabash. The stem is made of the same Boardman Alloy, as the rest of the bike and is a 80mm size SM MD, with a 90mm size LG XL.\r\nPerformance (Speed & Acceleration)\r\nThough the Fazua System Evation 250w motor is great for accelerating and for climbing steep inclines, it does max out at 15.5 miles per hour, which could be an issue for some. Also, the 50mm tires that accompany this ebike are made for riding over gravel, which is great, though they can struggle slightly on asphalt. With a lowered bottom bracket the height gives excellent stability, and 38mm wide Schwalbe G One Speed tyres provide maximum grip and confidence on or off road.\r\nRange & Battery\r\nThe Fazua Evation e bike drive system features a hidden, integrated motor capable of producing 250W of power assistance and 60Nm of torque. This is combined with a removable 250Wh battery, which makes for easy charging without needing a plug where you store your bike.\r\nSafety features\r\nThe wide range SRAM Apex 1 x 11 speed groupset gives a great spread of gears for climbing or descending, and the powerful SRAM Apex hydraulic disc brakes mean stopping is smooth and controlled.\r\nValue\r\nWhile not cheap by any means the Boardman E Road Bike can go up to size XL while many road e bikes like the Giant Revolt E+ Pro don\u2019t fit taller people as well as those who are shorter.\r\nBoardman ADV 8.9E Wrap Up\r\nAll in all when it comes to E road bikes or gravel only the Boardman ADV 8.9E has a Fazua app to help track yourself unfortunately the Specialized Turbo Creo SL can beat it\u2019l low torque speed as the low 15mph on the Boardman may not be enough for everyone.