brand new and high quality Features: With derailleur,we will enjoy wonderful cycling that can change different speeds through controlling derailleur trigger. This trigger adopts professional design and will offer you fantastic cycling experience,left and right hand of trigger can be optional. 3 speeds can be optional,especially for TX50,easy to install and remove. Smooth controling trigger,will be easy to handle in cycling,great replacement for your bicycle. High intensity and durable,high quality and wearproof. Specification: Material: Metal Type: For TX50(Right 7 Speed,Right 6 Speed,Left 3 Speed) Color: As pictures shown Size: One Size Caliber: 22.2mm(0.87in) Quantity: 1 Pc(other accessories demo in the picture are not included ) Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes(without retail package): 1 x Trigger