Seat Pack 17 L inferiori After measuring the diameter of

After measuring the diameter of your frame's seat tube or seat post

and GPS mount (compatible with Wahoo

The thru axle is sold together with dedicated spacers to adapt to the width of the rear triangle of your bicycle

if it is mounted at the rear ( post mount )

Seat Pack 17 L inferiori After measuring the diameter ofThe BAC bikepacking seat pack features a proprietary attachment system called Hardwin 1: for quick and easy installation. It is compatible with all round seatposts and with many aerodynamic profile seatposts. Warning: not suitable for sprung saddles, all Selle Italia MODEL X saddles and, except in specific cases, suspension seatposts.