This product at a glance

This is a genuine twist throttle grip for electric bicycles, fitting the MX21. Please check your existing throttle wiring length before ordering.

Which bikes this part fits

This is a genuine twist throttle grip for electric bicycles, fitting the MX21. Please check your existing throttle wiring length before ordering.

Please verify your bike model and the part markings before ordering, as spare parts are model-specific and cannot be exchanged once installed.

Build, materials and electrical data

Built to Shengmilo's original factory specification with strict quality control.

How and when your order arrives

• Orders are processed within 1-3 business days, then dispatched with a tracking number emailed to you.
• We ship worldwide with tracked delivery on every order.

Our promise after you buy

• 30-day returns on unused items in their original packaging, with proof of purchase.
• 12-month warranty against manufacturing defects on all genuine Shengmilo parts.
• Spare parts are model-specific — please confirm your bike model before ordering, as installed parts cannot be exchanged.