John Hall’s TRP derailleur hacks:

Closure or Slip-on: Open back design with upper

Maximum rotor size: 220mm

For an even better pressure relief

Fox Flexair Women's Tank Jersey - S - Black eBay John Hall’s TRP derailleur hacks:The Women's Flexair tank combines lightweight, airy materials with an all way stretch construction and targeted ventilation. The result is a garment that is so comfortable you might forget you're wearing it. Who's this item for?: Perfect for riders looking for a light and airy jersey to wear on those scorching days, working out at the gym, or just hanging out in your active wear. Sleeve Length: No sleeves. It's guns out with this top. Fit Type: Race