{"id":39171,"date":"2022-04-19T15:10:05","date_gmt":"2022-04-19T13:10:05","guid":{"rendered":"https:\/produit\/lift-mtb-v4-undercarriage-motor-kit\/"},"modified":"2026-05-17T01:15:58","modified_gmt":"2026-05-16T23:15:58","slug":"kit-motor-for-bike-under-frame-lift-mtb-v4","status":"publish","type":"product","link":"https:\/\/www.lift-mtb.com\/en\/produit\/kit-motor-for-bike-under-frame-lift-mtb-v4\/","title":{"rendered":"LIFT-MTB V4 underframe motor kit"},"content":{"rendered":"

First of all, the complete sub-frame mid drive motor kit includes :<\/strong><\/p>\n

– Motor :<\/strong> 36 Volts \/ integrated controller<\/p>\n

– Support: <\/strong> 7075 T6 CNC (under frame mounting) upper clamping by cable.<\/p>\n

– Freewheel motor :<\/strong> made in France without pedaling resistance.<\/p>\n

– The secondary plate:<\/strong> Type race face narrow wide \u00ae, aluminium 7075 (30 teeth or 32 teeth)<\/p>\n

– The primary chainring:<\/strong> 1\/2 by 3\/32 aluminum 7000 series 38 teeth.<\/p>\n

– Primary chain:<\/strong> shimano\u00ae type<\/p>\n

– The chain tensioner:<\/strong> with sealed ring bearing roller.<\/p>\n

– Throttle trigger <\/strong>with charge indicator, on\/off switch, thumb or index finger mountable.<\/p>\n

– Screw kit:<\/strong> ISO 10.9 steel and complete aluminum spacer kit.<\/p>\n

– Mounting kit:<\/strong> Set of Serflex steel and plastic, foam frame protection, x1 set of spare Anderson connector.<\/p>\n

– Torque developed at the rear wheel: from 80 N.m to 110 N.m<\/strong> (depending on gearing)<\/p>\n

– Maximum speed on the flat without pedaling: <\/strong> from 35Km\/h to 40km\/h (depending on conditions and gearing).<\/p>\n

– PIC consumption: <\/strong>30 amps<\/p>\n

– Average continuous consumption:<\/strong> 12 amps<\/p>\n

– Sound volume at 150cm: <\/strong>“super-silent internal gears” (about 60 decibels.)<\/p>\n

– Deco kit: <\/strong>Thick motocross type.<\/p>\n

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First, the specifications of the pedal board if you choose the “V4 CLASSIC” version:<\/strong><\/p>\n

– Crank: 170 mm laser engraved aluminum, chainring mounted on a Dicta\u00ae 20-point freewheel (no pedaling resistance).<\/p>\n

– Bottom bracket axle: chromoly 4130 heat treated, also delivered with a set of adapters of diameter 22\/24 , 24 , 29 and 30mm.<\/p>\n

-Weight: about 400 grams heavier than the “Pro” model<\/p>\n

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\"Choice<\/strong> <\/b><\/p>\n

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Secondly the Specifications of the pedal board if you choose the “V4 PRO” version:<\/strong><\/p>\n

– Cranks: Aluminum 7075T6 CNC machined in France, with plate mounted on freewheel Pro 72 points of engagement (no resistance to pedaling).<\/p>\n

– Bottom bracket axle: .chromoly 4130 hollow heat treated, also delivered with a set of adapters of diameter 22\/24 , 24 , 29 and 30mm.<\/p>\n

-Weight: about 400 grams lighter than the “CLASSIC” model<\/p>\n

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Find also articles and video of the LIFT-MTB bottom mid drive motor kit below:<\/b><\/p>\n