Opus Bikes Size Chart At the intersection of casual cruise and high tech - that's where you'll find the Opus Grid. A stylish electric powered by a Vittoria E-wheel pedal-assist motor, the Grid lets you commute and cruise with nearly effortless flair. And, with its 20 mph (32km/h) max assist, up to 23 mile range, and regenerative braking system, it's nearly impossible to get stranded off-grid. Features: - Victoria e-wheel with 250W, 30V electric motor and 160 Watt-hour battery - Regenerative braking - Bluetooth connected wireless controls - Frame: Meta 30 6061 aluminum step-thru - Headset: CH-918TBW semi-integrated - Handlebar: Opus alloy with basket - Stem: Promax 10deg - Grips/tape: Velo Ergo Dual Density - Fork: Straight blade alloy - Brakes: Leechi V-brake - Brake levers: Promax alloy - Crank: CW alloy single ring - Chainrings: 38 - Bottom bracket: CH-46E cartridge - Cassette: 15 - Chain: KMC Z610 - Saddle: Selle Italia Net - Seatpost: Opus Bronze 27.2 X 350 - Wheels/rims: Vittoria 26" 32h - Includes kickstand - Hubs: Vittoria E-Wheel hub - Tires: Vittoria Revolution Tech G+ 26 X 2.0 - Pedals: FPD NW-357 - 3 hour charge time - Max speed with electric motor: 20 mph - Max electric range: 23 miles - Weight: 35.4 lbs