Step 3
1. Unscrew and take off the screws (T-5) attached on the front post.
2. Place and fix the handlebar (C-1) at the upper of front post with screws (T-5).
Step 4
1. Use 4 screws & 4 washers (T-3, T-4) to fix the seat bracket (K-8) onto seat slider (K-1).
2. User 4 screws & 4 washers (T-3, T-4) to fix the backrest sliding rail (M-1) onto seat slider (K-1).
3. Install the locking bar handle at side of seat slider, and fix tight as small photos image as below.