Genuine SE Bikes chain tensionersImproved design and functionEasily adjusts to take up chain slack3/8`AlloyPurple
Genuine SE Bikes chain tensioners Improved design and function Easily adjusts to take up chain slack 3/8` Alloy Black
Genuine SE Bikes chain tensioners Improved design and function Easily adjusts to take up chain slack 3/8` Alloy Blue
Genuine SE Bikes chain tensioners Improved design and function Easily adjusts to take up chain slack 3/8` Alloy Gold
Genuine SE Bikes chain tensioners Improved design and function Easily adjusts to take up chain slack 3/8` Alloy Red
Genuine SE Bikes chain tensioners Improved design and function Easily adjusts to take up chain slack 3/8` Alloy Silver