Yamaha Power As­sist Bi­cy­cles

Pedal Magazine - - ESystems -

Yamaha, a rec­og­nized name in two-wheel trans­porta­tion and sport for many decades, has been a driv­ing force in e-bikes since 1993, hav­ing sold more than four-mil­lion motor units, with two mil­lion (mostly in Ja­pan) pow­er­ing its own line of e-bikes. Yamaha has pi­o­neered the devel­op­ment of mul­ti­ple in­no­va­tions used in to­day’s e-bike mar­ket. The Yamaha motor is found on such re­spected e-bike brands as Gi­ant, Haibike, some mod­els of Easy Mo­tion (the e-bike di­vi­sion of B-H Bikes) and at least 10 other brands. Al­though less com­plex than other mid-drive mo­tors, it costs con­sid­er­ably less, yet pro­vides a well-per­form­ing e-bike plat­form. Yamaha mo­tors use stan­dard-sized chain­rings that al­low more gears, mak­ing it well-suited to off-road rid­ing, es­pe­cially with its 500W of power and 80Nm of torque. In ad­di­tion, its Zero Cadence feature al­lows for off-road climb­ing from a full stop. Four mo­tors are avail­able for OEM man­u­fac­tur­ers: the proven PW X se­ries, the PW se­ries SE, the new PW se­ries TE and the PW-X, which is both lighter and more com­pact. Each is rated at 250W of power, and each is de­signed and tuned for dif­fer­ent-pur­pose e-bike types.

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