612 ERGOWAVE - Area of use: Road & MTB Race. - Length (mm): 275. - Weight (g): 175 (12cm) / 178 (13cm) . - Hardness in SQ-shore: 60. - Relief of perineal area (%): 63. - Material Rails: S-Tube. - Material Cover: C84. - Material Padding: Super light Foam. - Max. Weight (kg): 90. - Available Widths in cm: 12, 13.