* Saddle rails fixed in rearmost part of saddle limits pressure on ischial bones and perineal areas* Shock Absorber system between the shell and rail reduces road shock and vibration* 10mm longer rail for more adjustability* Superflow cutout reduces physical limitations from prolonged pressure in the perineal area* Ti 316 Saddle rails* S: 145x255mm, 266g* L: 155x255mm, 274g