商品のバリエーションとして繋ぎ方を選べるのか

https://ae01.alicdn.com/kf/HTB135YKRHvpK1RjSZFqq6AXUVXav.jpg
Pedal connection

https://ae01.alicdn.com/kf/HTB1P1TGRRLoK1RjSZFuq6xn0XXa2.jpg
Connection on both sides

https://ae01.alicdn.com/kf/HTB1ZDLBRMDqK1RjSZSyq6yxEVXaK.jpg
Intermediate connection