Mainstay Chain Guide geartype-parts-components easy-to-clean mesh fabric and sturdy

easy-to-clean mesh fabric and sturdy velcro straps

Converts in seconds to a heavy-duty grocery-hauler with 400 x 400 mm of interior space

Side pockets store treats

so that you can bring plenty of off-grid survival tools with you

Padded lining protects bike and surroundings

Mainstay Chain Guide geartype-parts-components easy-to-clean mesh fabric and sturdyEliminate chain drops typical with folding bikes Works on all combinations of cassettes and chainrings and chainlines Patented design DESCRIPTION If you could watch your chain, youd see waves of energy literally bounce the chain as it moves up and down the cassette or when riding on rough roads. With the shorter chainstays of folding bikes, the waves just get amplified in size. We spent 12 months modeling chain movement on different combinations of