Unit Weight: 606g
Rollers and guide of 60
They can be double with 4 wheels or single with 2 wheels.
They use a 60mm guide.
Main feature: Great strength with two 30mm wide needle bearings (or one in the single).
Body: In addition to the M14 screw and 100 long, the body is made of double 3mm sheet
Unit Weight: 1042g
Rollers and guide of 60
They can be double with 4 wheels or single with 2 wheels.
They use a 60mm guide.
Main characteristic: Great solidity with two 30mm wide needle bearings (or one in the single).
Body: In addition to the M14 screw and 100 long, the body is made of double 3mm sheet