With our Burra Burra Stabilizer Seatpack 10 you can say goodbye to the cumbersome weight & handling of integrated rear racks. Instead it affixes to your seatpost via an engineered aluminum stabilizer arm that minimizes any bouncing or side-to-side swaying under load. The pack itself features a welded roll closure design thats highly resistant to inclement weather while its smaller size (50x 16x 10cm) makes it absolutely ideal for smaller frames with tight wheel clearances.• Welded construction with a secure roll closure opening ensures reliable weather resistance & long-lasting durability.• Engineered aluminum stabilizer arm minimizes bouncing & shifting for more secure comfortable transport.• Smaller size is ideal for the tight rear wheel clearances of smaller frames.• Stabilizer is compatible with 27.2mm & 30.9mm seatposts.• Please note that this is not compatible with either dropper or carbon seatposts.• Reflective logo accent increases your visibility to motorists in low-light conditions.• Dimensions (cm): 50 x 16 x 10• Weight: 415g