- CYCLUS TOOLS snap.in complete set with 1 adjustable head tube reamer, including holder and conical guide. With this reamer, it is possible to adjust and face head tubes to various depths. The setup depth is indicated on the corresponding scale. **All 3 headset types can be assembled after the head tube is faced. It doesn't matter whether you are going to assemble an ahead, semi-integrated or integrated headset, this tool can do them all.** Each facer is identified by the identification system S.H.I.S. - Standardised Headset Identification System. The description code consists of the type of the headset and the corresponding head tube inner diameter (e.g: EC 34). EC stands for "External Cup" meaning the classic head set, ZS "Zero Stack" for the semi-integrated headset and IS for "Integrated Standard". Adjustable depth: 2,3 mm - 12 mm **Includes** * Holder SN.50-W * Basic Tool SN.10-W (incl. adjusting screw & spring cone guide) * Head tube facer (outer diameter 62 mm) SN.50-S