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Replacement rear fender for Surron Ultra Bee
You may also set the speed limit of your own choice
Replacement front wheel bushing for Surron Ultra Bee (sold as a pair)
Keeping all dirt away from the fork seal and dust cover will help your forks perform their best for as long as possible
– Haibike Trekking 6
SpeedFun Ribelle for TQ HPR 120S brake_lever Replacement rear fender for SurronWhat does this Tuning Kit do? SpeedFun RIBELLE is an electronic and intelligent e bike tuning kit that does not require any external power supply. It is designed for the TQ HPR 120S motors used on the Haibike Flyon to circumvent the speed block at 25 kmH, allowing to increase its active assistance up to speeds that can exceed 60 KmH by fully exploiting the potential of the TQ HPR 120S motor. SpeedFun Ribelle shows all the real data on the display.