チェーンガイド4点オールワンパッケージ（ZEPHYER1100）

This package includes a set of four chain guides for Zefar 1100, designed to replace missing original parts. The guides cover both upper cam chain and lower primary chain, developed over two years by scanning the shape and dimensions of all types of chain guides and producing them using specialized molds.

• The description claims the guides were developed over two years.