These are not the "Comfort" model which are a cheaper version - this is the Maxi Kit which last far longer. Color: BLACK Material: High quality high density EPDM foam. Foam thickness: average of 0.28 in (7.1mm).
These 1980s and early 1990s mountain bike parts used a twisting wrist motion to change gears. Classic Setup: The system often included a plastic spacer washer to prevent the shifter and stationary grip from rubbing against one another.