IT'S A B1G DEAL It's a big lift. Introducing the SUPER73-B1G, the first bike in our lineup designed for taller riders. Sorry, short kings and queens; this model takes our latest A-Series to the next level with a 33" seat height, a daring silhouette, and key performance upgrades for a completely novel riding experience. VEHICLE SPECIFICATIONS PERFORMANCE Top Speed | Class 2 20MPH Range | Single 520Wh Battery Range | 20 miles* Dual 520Wh Battery Range | 40 miles** *20+ miles of range at 20mph under Class-2 throttle-only operation **40+ miles of range at 20mph under Class-2 throttle-only operation Modular secondary battery sold separately" Charge Time | 5-6 hours Battery | 520Wh (52V 10Ah) UL2271 Compliant Learn more about A-Series battery compatibilty here. Motor | 500w nominal Throttle | Thumb Throttle Gearing & Rear Derailleur | Single Speed DIMENSIONS Vehicle Weight | 90 lbs Length x Width x Height | 70" x 28.5" x 43.75" Rider Weight Limit | 250 lbs Recommended Rider Height | 5'9 - 6'8" Seat Height | 33" FRAMESET Frame | Aluminum Suspension (if applicable) | Rigid Brakes | SUPER73, 2 Piston, Hydraulic Tires | BDGR / 4.5" Front / 5" Rear Inner Tubes | 20" x 4.5" LIGHTS & HORN Head Light | LED Tail Light | LED Horn | Yes ASSEMBLY Vehicle Assembly | View the SUPER73-B1G Owner's Manual for everything you need to get your SUPER73 assembled in just 15 minutes.