Description The waterproof Apidura Racing Bolt-On Top Tube Pack 1L is ideal for storing your phone & power bank on your ride. With a magnetic closure the quick-access flip-top opening bag is ideal for anything you need close to hand. This Bolt-On version of Apidura’s slimline top tube bag is perfect for those with gravel bikes or bikepacking bikes with bosses on the top tube. The has a choice of two mounting positions to accommodate different frame sizes & geometries too. APIDURA RACING BOLT-ON TOP TUBE PACK 1L FEATURES & SPECS Two mounting positions; choice of standard and off-set mounting positions Easy access full length opening; magnetic one-handed provides easy access while maintaining waterproofing Cable port; enables charging of devices on the go Made form Hexalon; an ultralight waterproof laminate Removeable padded base; protects your frame & electronics from damage Knee clearance; slim-line design avoids knee rub (see product images above for detailed drawings of dimensions of the pack) 1L TOP TUBE PACK: weight = 100g, width = 4.5cms This top tube pack has been designed to work with all bikes with standard-spaced accessory mounts. Apidura’s Expedition Bolt-on Top Tube Pack has a universal fit and should be used if your bike lacks the clearance for this Racing model bag.