That makes more sense! So it still has an outer, then it has a fully sealed 'middle' and then there's the inner. Pictures are worth 1000 words.
That's what I said!
My explanation makes sense. Inner outer is someone profiling belly buttons or something. :P
@PhilDAS started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
That makes more sense! So it still has an outer, then it has a fully sealed 'middle' and then there's the inner. Pictures are worth 1000 words.