Brand: Rockbros
Weight: 650g
Anti-theft class: 8
Length: 85 cm (20 joints)
Material: stainless steel

Extending body: 

The body of the lock extends to match multiple bicycles. Man can also easily lock the seat post together with the wheel. 

Excellent Material: 

The ABS shell can avoid the scratching of the paint, the zinc alloy body improves the anti-theft performance, and the stainless steel compound improves the anti-cutting ability. 

Secure Keys with Unique Code: 

The keys are made of stainless steel, which is durable. And each lock has own key with code which is unique. Therefore, the key of each lock is different.

Compact And Portable: 

This lock is so small that it can be put in the saddle bag. And you can also install it on the seat post.

Two Type:

There are two type. Lock with key and combination lock.

Shape: 

The lock looks like Rubik's cube. The shape is unique and interesting.

Mounting bracket:

1.Place cushion on the seat tube ; 

2. install the bracket; 

3. fasten with 4MM hexagon socket mounting plug; 

4. close the lock into the bracket