Lezyne Micro Caddy, Saddle Bagl The Lezyne Micro Caddy QR is a compact, aero shaped Caddy that attaches to the seat rails with the QR mounting system. Labeled, cycling-specific organizational pockets keep all accessories in place for when they are needed. It is made from durable woven nylon fabrics, water resistant zippers, & reflective logo & stripes aid rider visibility. Two sizes (M & S) allow the rider to choose just the right sized Caddy. An easily accessible, external multi-tool compartment allows for quick adjustments.l WEIGHT: S 120g M130g DIMENSIONS: S 140x 55x 55 mm M 145x 55x 80mm CARGO: S 13.7in³ 0.23L / M 24.4in³ 0.40L