Improve your road cycling performance with the TI 316 rails of the 3D printed SLR Boost 3D TI 316 Superflow.Technical Specifications:WeightS3 200 g ( 8%) - L3 205 g ( 8%)DimensionsS3 130 x 248 mm L3 145 x 248 mmRailTI 316 Tube 7 mmIntended useRoadFamilySLR