The Supernova seat clamp with an outer diameter of 35 mm is suitable for the fixed mounting of any E3 seat post rear light on 30.9/31.6 mm seat posts.
For E3 Tail Lights, fixed mounting of each E3 rear light on 27.2 mm ø or 31.6 mm ø seat posts
Socket : ø 31.6 mm
Scope of delivery:
1 x Supernova seat clamp for tail light
Specifications:
Manufacturer part number: N-SPC-31.6-BLK
Color: black