If you need to replace a broken spoke, but not the nipple, you either need to remove the tyre and/or insert, or risk the nipple falling into the rim – it’s a fiddly and frustrating job. I couldn’t find a good tool for this job so I’ve made one and now it’
Strong, high-grip aluminium valve core tool for quick and safe removal and installation of tubeless valve cores—ideal for sealant top-ups, maintenance, or core replacement.