A lightweight seatpost rack with included side frames. For use on road and fitness bikes. Compatible with all RX TrunkBags 7 kg (15 lb) carrying capacity. Includes rubber bungees and clip for RedLite®. CLAMP Fits ø25.4 - ø31.8 mm (shims Incl.) MATERIAL Aluminum BAG COMPATIBILITY RX TurnkBags MAX WEIGHT CAPACITY 7 kg / 15 lb ADDED FEATURES Side frame equipped Rubber bungeeClip for RedLite® SIZE E-Type - 46 x 20.5 x 11.5 cm / 18.1” x 8.1” x 4.5” V-Type - 43 x 23 x 11.5 cm / 16.9” x 9.1” x 4.5” WEIGHT E-Type -545 g / 1.20 lb V-Type - 555 g / 1.22 lb