The Spiuk Amara MTB trainers are designed for use on E- Bikes. They are made with a polyurethane cover for greater resistance to possible obstacles that may appear on mountain trails. The Drilling Shell System design improves ventilation during sports thanks to the perforations throughout the cover. The BOA fastening system guarantees an easy and secure one- hand adjustment thanks to its dial. The EVA sole with rubber contact surface provides good grip. Features: - Shoe for e- MTB, outdoor and touring- High density PU reinforced toe and heel cover- BOA Fit System closure system, 1 dial- Lower velcro closure- EVA outsole with rubber contact surface- Compatible with SPD cleats- Weight: 700 g (pair, Size 43)Technologies: - BOAThe patented BOA fastening system includes micro- adjustable reels with steel cable.