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Bicycle specifications

Yamaha PW-XM eMTB Drive Unit

With a maximum torque of 85 Nm and weighing only 2.6 kg, the PW-XM is Yamaha Motor's premium eMTB drive unit. Equipped with lightweight magnesium housing, produced using Yamaha's extensive casting know-how, this high-tech motor has the highest torque-to-weight ratio among Yamaha eBike Systems.

"Pure Ride" Development Concept

To accomplish the mission, the PW-XM carries in its DNA the "Pure Ride" development concept inherited from our X series of flagship drive units. The unit delivers 85 Nm of motor torque throughout a wide cadence range.

Mechanical parts and software settings come together for sharp response. The design choices create the distinctive Yamaha feature of providing instant support with full torque immediately after pressure is applied to the pedal, not after certain crank turns.

Optimized Pedaling Efficiency

The 128mm ISIS interface bottom bracket axle allows for an ideal Q-factor, ensuring maximum pedaling efficiency.

Innovative Magnesium Casting

Vast experience working with magnesium gives Yamaha an edge in developing heat management measures, ensuring consistent performance and high reliability. The high strength-to-weight ratio of magnesium material used in the motor housing plays a major role in achieving the low weight of 2.6 kg.

Manufacturing Excellence

The PW-XM pays homage to its birthplace: Mori-machi, Japan. Yamaha Motor Electronics factory, the world's longest-running eBike drive unit factory, prides itself on an unyielding commitment to quality achieved through the alignment of experience and refined autonomous processes. As a regional hub for mountain biking and cycling tourism, Mori-machi provides an ideal setting for the birth of the PW-XM.

Technical Specifications

• Drive Unit: Center Motor
• Weight: 2.6 kg
• Rated Output: 250 W
• Max Torque: 85 Nm
• Max Assist Speed: 25 km/h
• Assist Modes: 5 Modes
  • EXPW
  • HIGH
  • STD
  • ECO
  • +ECO
• Automatic Support Mode: Yes

PW-XM

PW-XM yra auk??iausios klas?s Yamaha Motor eMTB variklis, kurio did?iausias sukimo momentas yra 85 Nm, o svoris - tik 2,6 kg. ?is pa?angi?j? technologij? variklis, turintis lengv? magnio korpus?, pagamint? naudojant Yamaha i?sami? liejimo patirt?, pasi?ymi did?iausiu sukimo momento ir svorio santykiu tarp Yamaha eBike sistem?.

Kad ?vykdyt? ?i? misij?, PW-XM savo DNR turi Pure Ride k?rimo koncepcij?, paveld?t? i? m?s? X serijos pavyzdini? varikli?.

?renginys u?tikrina 85 Nm variklio sukimo moment? pla?iame minimo da?nio diapazone.

Mechanin?s dalys ir programin?s ?rangos nustatymai kartu u?tikrina a?tri? reakcij?. D?l pasirinkt? konstrukcini? sprendim? sukuriama i?skirtin? Yamaha savyb? - momentinis palaikymas, kai visas sukimo momentas pasiekiamas i? karto paspaudus pedal?, o ne po tam tikro ?vaistiklio pasukimo.

128 mm ISIS standarto miniklio velenas leid?ia pasiekti ideal? Q faktori?, kad pedal? mynimas b?t? maksimaliai efektyvus.

Didel? darbo su magniu patirtis

Yamaha, nor?dama patobulinti rink?, naudojasi savo didele magnio liejimo patirtimi, ?gyta per daugel? met? taikant ?i? technologij? automobili? sporte. Didelis variklio korpuse naudojamos magnio med?iagos stiprumo ir svorio santykis atlieka svarb? vaidmen? siekiant ma?o 2,6 kg svorio.

Ilgamet? darbo su sud?tingomis med?iagomis patirtis suteikia Yamaha prana?um? kuriant ?ilumos peradvimo priemones, u?tikrinan?ias pastov? veikim? ir auk?t? patikimumo lyg?.

Specifikacijos

• Variklis: ?montuotas centre
• Svoris: 2,6 kg
• Nominalioji galia: 250 W
• Did?. Sukimo momentas: 85 Nm
• Maksimalus pagalbinis greitis: 25 km/val.

Re?imai

• EXPW
• DIDELIS
• STD
• ECO
• +ECO

Automatinis palaikymo re?imas

Frame geometry

• Seat tube length: 420 mm
• Reach: 445 mm
• Stack: 633 mm
• Top tube: 594 mm
• Steering angle: 64 mm
• Seat tube angle: 72 mm
• Head tube: 105 mm
• BB drop: 20 mm
• Wheelbase: 1258 mm
• Chain stay: 450 mm
• Crank length: 114 mm
• Stem length: 40 mm
• Handlebar width: 780 mm
• Seatpost drop: 150 mm
• Ground clearance: 270 mm
• Standover: 770 mm