This high - quality chain tool is built to last. Its cast CrMo steel construction makes it suitable for single and multi - speed chains up to 13 speed, even Campagnolo® hollow pin chains. The built - in clip keeps all tool pieces together. It comes with 4 and 5mm Allen wrenches and a chain hook. Tool material is hardened steel. It measures 7.9 x 4.2 x 2.1 cm (3.1” x 1.65” x 0.8”) and weighs 66 g (2.33 oz). Added features include a chain hook holder, chain pin holder, and chain pin breaker.


Using this Topeak chain tool is easy. First, select the appropriate setting for your chain type, whether it's single - speed or multi - speed up to 13 speed. If you need to use the Allen wrenches, they're right there with the tool. The chain hook can help you with tricky parts of chain work. When using the chain pin breaker, make sure to apply even pressure. As for maintenance, keep the tool clean after each use. Wipe it down to prevent dirt and debris from building up. You can also store it in a dry place to avoid rusting. And don't forget to check the built - in clip regularly to ensure it's holding the tool pieces securely.