SQLab 611 Ergowave Carbon Saddle - Black - Carbon Rails - 120mm Wide Heavy/Bulky The XTR BB93 is a

The XTR BB93 is a lightweight BB that features premium bearings and seals to ensure you always have the best possible performance on hand

Body-mapped laser perforated areas on front and back panels increase airflow keeping you cool

All Freehub body bearings

Hope and other brands of DOT-fluid-based hydraulic brake system

biodegradable

SQLab 611 Ergowave Carbon Saddle - Black - Carbon Rails - 120mm Wide Heavy/Bulky The XTR BB93 is aThe 612 Ergowave was specifically designed to accommodate the requirements of both competitive and leisure cyclists both on the road or mountain bike. The wave like shape and raised rear section provides perfect rearward support and an optimal pressure distribution which reaches deep into the body structures resulting in improved power transmission. The lowered nose in combination with the dip provides optimal pressure relief for the perineal area.