Description
Park Tool USA CN-2 Chainring Bolt Spanner is a compact chain tools accessory designed to hold slotted chainring nut heads securely while you loosen or tighten the mating bolt. Ideal for bicycles using standard two-piece chainring bolts, this handy spanner fits many road, mountain, touring, and BMX cranksets that use slotted chainring nuts.
- Compatible with many traditional chainring bolt and nut assemblies found on 4-bolt and 5-bolt cranksets from major bicycle component brands.
- Designed to engage the slotted back side of standard chainring nuts during removal and installation.
- Useful as a chain tools cn- chainring bolt spanner replacement for worn, lost, or shop-missing chainring nut wrenches.
- Commonly referenced as the park tool usa cn- chainring bolt spanner, part number CN-2.
The CN-2 is built in the practical, shop-proven style Park Tool is known for, giving you a slim profile that slips easily into tight crank and chainring spaces. Its purpose is simple but essential: prevent the chainring nut from spinning so the bolt can be torqued or removed cleanly. This tool is intended for standard slotted chainring nuts rather than specialty security hardware or one-piece systems. Whether you are performing a drivetrain refresh, replacing worn rings, or servicing a vintage crankset, this spanner offers reliable leverage and straightforward use. Installation difficulty is low, making it a smart addition to any home or professional repair kit.
Count on this OEM-quality Park Tool accessory for dependable fit, easy DIY use, and fast service from our warehouse.
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