Geared Generator 250 Watt / 350 Watt DC Motor $90 usd.
USA $90 + $12.00 shipping
CANADA $90 + $23.00 shipping
WORLDWIDE $90 + $37.00 shipping
Sprocket is designed for a 1 speed bike chain.
Note: all 10 speed - 18 speed bike systems can use a 1 speed chain,
all you need is to do is replace the chain and this will work.
24 Volt, 350 Watt, Armature 3000 RPM - sprocket RPM 312 RPM
MAXIMUM GENERATOR OUTPUT, 237 WATTS @1180 RPM
8.7 Amp, permanent-magnet generator/motor.
9 tooth sprocket for 1/2'' x 1/8'' pitch chain.
12 gauge power leads.
Gear Ratio: 88:9 (9.778)