Can I reorder the profile extension for the CHAINBOW or CHAINBLADE chain guard? 26 May 2026 10:32 Updated Yes, the profile extension is available as a spare part and can be reordered here. Related articles How long does shipping take? How does the ESC safety system work on SKS mudguards? The AIRCHECKER (Art. No. 10001) is difficult to push onto the Schwalbe Clik Valve. What can I do? Can the CHAINBOW (48 teeth, no e-bike) be installed on a derailleur gear system with 3 sprockets? What information is required for your request as an influencer or athlete?