The foam is engineered to repeatedly withstand poundings without degradation

Ergon has achieved this by adjusting the texture of the grip against the direction of hand rotation so your hands will almost feel like they are screwing onto the grip

This design allows the bearings to be serviced too

They will complete your build nicely

Trail series

SuperB Universal Chain Rivet Extractor - Multi Tool PDP|PLP|Brake Rotor Type The foam is engineered toThis super handy tool from SuperB is not only a chain breaker for 6 12 speed and single speed chains but it also functions as a multitool thanks to the bits stored in the handle. It's even got a chain hook to make breaking and rejoining chains a whole lot easier. Fits all speed chains, such as 3 32" ~ 3 16" chains and 6~12 speed chains, etc. Innovative grip features with bits and 2 spare pins, a chain hook. Who's this item for: Anyone that needs to