eBike Tuning SpeedBox 2.1 for Giant Installation Instruction

hi my name is Martin and today I will be showing you how to install the speed box tuning chip into your ebike speed box is a tuning chip which eliminates the speed limiter so the motor won't switch off after reaching 25 km/h during testing we managed to reach a speed of over 70 kilometers per hour in this video we'll be showing you how to install speed box to 4e bytes with giant motors for this installation we will be using a hex key size 5 a crosshead screwdriver and a t20 Torx screw driver before the installation take out the battery then remove the chain as well unscrew the four screws holding the chain ring using the hex key [Music] but the chainring aside to get access to all the screws holding the plastic cover and unscrew them [Music] loosen all the torque screws holding the plastic cover and remove it release the plastic cover from the other side loosen the four screws holding the battery connector finally loosen the three remaining hex screws holding the motor in the frame unscrew two of the screws completely leave the third one inside to hold the motor take out the motor and pull out all the cabling [Music] disconnect the two connectors [Music] then install the speed box to the original connectors [Music] before putting the cover back on we check the functionality when 9.9 in kilometers mode is displayed the speed box is on and 2.5 in kilometers mode is shown the speed box is off if 6.1 in miles mode is displayed the speed box is upon when 1.5 in miles mode is shown the speed box is off we can then put the speed box back inside the frame together with all the cabling try to avoid damaging the cables with the cover screws put the screws holding the motor back in the frame and tighten them well [Music] [Music] put the cover back on assemble the cover on the other side in the same way put the bottom cover back on as well [Music] but the screws holding the chain ring back and tightened them well [Music] reinstall the chain and tighten the screws hold in the battery connector [Music] [Music] you

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