Brake line diameter is 1.5mm,shift cable diameter is 1.2mm.
There are 4 types as below:
1. A–mountain bike brake line.7*7*1.5mm
2. B–road bike brake line.
3. C–Fixed Gear bike brake line.5*5*1.5mm
4. D– mountain bike and road bike speed line 4*4*1.2mm
Which one do you need, And choose the length you need, or both please tell us, thanks!