The Park Tool CT6.3 Folding Chain Tool, now 11-speed compatible, removes and installs chain pins in all derailleur chains. The smooth and strong stainless steel construction allows you to easily fold out the handles to make light work of even the tightest pins. With the added bonus of no chain gunk stains the tool handles completely enclose the chain cradle when folded. The Park Tool CT6.3 Folding Chain Tool is handy and small to carry around easily in your pack or jersey. Thanks to its' fold-out peening anvil the tool works with 5-11 speed chains and is one of the only portable chain tools that can re-join a Campagnolo 11-speed chain. The neatest and most compact chain tool, perfect for mountain, road or commuting use. Park Tool CT6.3 Folding Chain Tool Features Our neatest and most compact chain tool, perfect for mountain, road or commuting use Works with 5 - 11-speed chains and thanks to its' fold-out peening anvil, this is one of the only portable chain tools that can re-join a Campagnolo 11-speed chain Sturdy stainless steel construction and fold out handles make light work of even the tightest pins The handles completely enclose the chain cradle when folded so no more chain gunk stains on the pocket of your favourite merino jersey Replaceable driving pin, for replacements please order code QK9851C Made in the USA and covered by Park's legendary limited lifetime warranty