The zipp 202 firecrest carbon clincher road disc wheelset features a 32mm deep rim combined with zipps revolutionary firecrest design giving this wheelset the aerodynamic resume of wheels twice its depth yet handles more predictably the firecrest rim shape improves stability by moving the wheels center of pressure to sit almost directly over the steering axis where wind produced steering torque has a minimal effect the zipp 202 firecrest carbon clincher road disc wheelset features