ขาย ชุดลูกบอลฟองน้ำสำหรับ RC Walkera Trex Align 400 450 Helicopter ราคาที่ดีที่สุด

Features: 100% Brand New This training kit is great for beginners or experts who are trying out new helicopters or new set-ups. It helps balances helicopter and it greatly prevents blades or other expensive parts from tilting and hitting the ground or any obstacles, thus saving costly damage. By using the training kit, beginner learn how to safely land RC helicopter with ease. Can be used for 400/450 Helicopter like walkera 36# 60# 68# Align 450SE Specification: Length:33cm Ball diameter:40mm Net weight：91g Weight：101g Packet content: 4 X training gear bars with balls installed at the end and held up by the fuel tubing 4 X skid clippers 1 X Center Hub