Yk Builder V50 Online
This motor is heavy. Weighing in at approximately 13 to 15 lbs (6–7 kg), it adds significant unsprung mass to your rear wheel. This ruins the "playful" feel of a bike. Jumping curbs becomes harsh.
YKBuilder is a specialized software/hardware tool used primarily for automotive key programming and IMMO (Immobilizer) data adaptation. yk builder v50