For Brompton 張鏈器導輪鈦合金鏍絲 / Chain Tensioner Titanium Bolt.

適用於原裝的張鏈器及導輪，
亦適用於Ti Parts Workshop的兩款導輪
鈦合金鏍絲重量1.3g
小布原裝鏍絲重量 2.4g
Chain Tensioner Titanium Bolt
Fits with the original tensioner
Titanium Bolt weight: 1.3g
Original Bolt weight: 2.4g