Thickness: 4MM

BCD：104MM

Process: full CNC processing process

Specification: 32T 34T 36T 38T, disc/oval disc

Note: Before purchasing, please make sure that the crank specification is BCD screw hole distance 104 mm

Product advantages: The design of positive and negative teeth makes it unnecessary to install chain guide and worry about chain loss. It is applicable to the modification of single disc of AM/XC models. For those who like lightweight, it is recommended that you install it! The weight can be reduced by about 1KG! (Remove the front dial+left finger dial+middle disc and large disc+part of wire tube, etc.)