• The Meridian is a high-powered electric conversion system for nearly any bike. With a 28 mph top speed and hill-climbing torque, it's a great option for a high-speed commuter, a cargo bike, or a hilly area. Featuring:
    1. A rear hub motor with up to 1 horsepower (750 watts) of assistance - that's a sprinting pro cyclist!
    2. A 650 watt-hour frame-locking battery with the latest lithium cells from Panasonic
    3. Seamless integration with rider pedaling, and the option of a handlebar-mounted throttle
    4. A 2-year warranty
  • Motor
    500 watt (1000 watt peak) planetary geared brushless DC hub motor with cassette freehub body. 9.5 lbs, 36 spoke hole, manufactured by Hengtai Motor. 9 rpm/V winding speed
    Weatherproof, locking enclosure 52V 15 amp-hour frame mount (Hailong) with Panasonic 5 Ah 21700 cells (14S 3P cell configuration). 875 lbs. 35A max discharge current, 10A max charge current
    18A max current, integrated into battery mount, sinusoidal, with
    IRFB3077 MOSFETs  
    2.5A 58.8V (100%) charger with DC2.5 plug, UL certification
    HIGO waterproof
    Spokes & Nipples
    13G/14G Single Butted Pillar Stainless Steel (Svandik T302+)
    Sun Ringle Rhyno Lite (20”, 26”, & 29er sizes), CR18 (700c sizes), Helix TR25+ (650b sizes), eyeleted, brushed or black sidewalls, black
    Cadence Sensor
    4-Hall Sensor with 12 magnet disc (48 pulse/rotation), customized universal mounting bracket
    TFT color display, user programmable. Shows battery charge, power level, speed, distance, voltage and power
    Brake Cutoff
    Single glue-on reed switch or inline cable switch (optional)
    Thumb or half-grip twist (optional)
  • The motor works to assist your pedal power. It will turn on to the power level that you select on the display as soon as you start pedaling. When you stop pedaling, the motor shuts off. You can also purchase a handlebar mounted throttle to engage the motor if you'd like to cruise around without pedaling.

    Each system is limited to the road-legal top speed of 20mph. However, with the speed limiting removed, the top speed varies with wheel size. 20” version = 20mph; 26" = 25mph; 700C and 29er = 27mph

    The battery life varies based on numerous factors (the power level used, the rider’s weight, the amount of pedal assistance, cargo, terrain, wind, etc). Even a cargo-bike rider using full power can expect at least 20 miles to a charge, and you get over 60 miles on a standard bike using lower power settings and pedaling normally. Most folks report a battery range between 25 and 45 miles.

    The total system weighs 18.1 lbs, but it replaces your rear wheel, which weighs 2-3 lbs. So it will add 15-16 lbs to your bike, but the power it gives you will offset its weight 20 times over!

    The Meridian requires a bike with:

    1. 135mm rear dropout spacing (almost all mountain bikes, most hybrids, and some road bikes have this)
    2. Enough room to mount the battery in the main frame triangle
    3. Water bottle mounts on the downtube
    4. Disc or rim brakes on the rear
    If you have any questions about whether your bike meets these criteria, check out the links above. If you’re still unsure, call us at (206) 588-6546, or send an email to We’d love to help!


    We suggest having this system professionally installed. The cost for this is $159, and generally $150-250 at most local bike shops comfortable with electric assist installation. If you'd like to install it yourself, please contact us for instructions.

    The entire system comes with a 2-year manufacturer's warranty. Essentially, that means that any damage not caused by an accident or misuse is covered. See the full warranty here.

    It really comes down to how well you, the battery’s owner, care for it. With that said, you can expect a full 400 cycles with the standard charger before the battery life drops to 80% of its original capacity. But with the variable charger, you can extend that number to 1,000 cycles or more. Find out how here. We warranty the battery for 2 years with some stipulations (see warranty section for more information).

    From completely flat, the standard battery takes 6 hours to charge, and the extended battery takes 8 hours to charge. Want faster charging speeds? Check out the variable charger!

    Nope. But don’t leave it plugged in for too long (24 hours or more). It keeps the cells from dropping down to their resting voltage and prematurely ages the pack.

    No! Actually, it's best to not completely discharge the battery. We suggest you simply recharge the battery overnight after riding, regardless of whether it's completely dead or not.

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