Protective adhesive layer on the crank arms is a nice addition to prevent wear from your shoes

0 At this point your chain and cassette are both well worn and will both require replacing once the shifting quality diminishes

Ventilation: The exact number of vents isn't stated but there are a bunch of nice big vents

and then the cassette is mounted onto the adaptor

but they'll work great on other bikes as well

Fly Racing Cypher Knee Guard - M - Black PDP|Colour Protective adhesive layer on theThe latest incarnation of the Cypher knee guard from Fly Racing has an emphasis on staying light and keeping cool while providing high levels of protection where it counts. The 4 way stretch mesh sock is both soft and cool and gives a great fit, ensuring that you stay comfortable even on long days in the saddle. FLY Racings HDM (High Density Memory) protectors are made of a special blend of viscoelastic foam with memory function allowing for repeat