Description The Ortlieb X-Stealth 25mm Auxiliary Closure Strap is the new side-release buckle for replacing or updating your QL2.1 Back-Roller or Sport-Roller straps. If the buckle for your Back-Roller or Sport-Roller with QL2.1 is broken or you want to update it to the new component (2023), you can replace it very easily. CONTENTS: 1x buckle and 1x nut washer in black Ortlieb Part No. E248 Not sure if the Ortlieb X-Stealth 25mm is the part you need? We can help! One of the best things about Ortlieb is their huge & ongoing range of spare parts & replacement parts. We have been stocking Ortlieb bags & accessories at Abbotsford Cycles for decades because they make excellent products. And they can last you a lifetime because their hardware can be replaced & they bags can be repaired. The reason we recommend these products is how confident we are that you will never need to buy another Ortlieb! But we know it can be tricky figuring out which part you need, and which is compatible with your bag. So if you are having trouble, get in touch. We have manuals & years of experience finding & fitting the correct parts for Ortlieb bags & racks. And we are confident that your Ortlieb can continue to be the best waterproof bag you can buy!