Whites Rim Lock - 2.15Constructed from moulded rubber the Whites Rim Lock is a cost efficient rim lock to replace your lost or broken original rim lock. The moulded rubber design reduces abrasions against the tube, inturn reducing the temperature of the tube which keeps the tyre pressure accurate throughout the ride. The serrated rubber edge improves the grip of the rim lock to secure the tyre against the rim protecting the tube from sliding and ripping. Moulded rubber