SHIMANO TOURNEY TY TOP SWING 前拨链器（夹环安装）3x8/7-速

SHIMANO TOURNEY TY - 前拨链器 - TOP SWING - 夹环安装 - 3x8/7-速

SHIMANO TOURNEY TY 前拨链器兼容 DUAL SIS INDEX 变速，非常适合 3x8 和 3x7 速传动系统。

产品规格

Angled clamp band design	✔
Applicable Top-Mid tooth difference	10T
走线类型	Dual-Pull
Chain line (mm)	47.5/50
Chain stay angle	63-66
Compatible chain	HG 8/7 速
安装方式	Clamp Band_28.6 mm (w/ S size adapter), Clamp Band_31.8 mm (w/ M size adapter), Clamp Band_34.9 mm
Speeds_Front	3
Speeds_Rear	8/7
Top gear teeth	48T
Total capacity	20T