How Often Should You Replace Crossbow Strings and Cables?

Don’t just assume your crossbow is good to go each fall. Inspect it, or have an archery pro shop look it over regularly. Image courtesy of Mission Crossbows.

From safety and performance perspectives, a crossbow owner must prioritize maintenance. As accurate as crossbows can be, they’re no different than lawn mowers or vehicles. You must keep them up. One of the most routine maintenance practices is replacing the string and cables.

I annually test and evaluate several crossbows and write reports on them for publication. Recently, I asked the experts behind Mission Crossbows to outline all things crossbow strings. Here’s our discussion.

Darron McDougal: Without any other wear or adverse effects, how many shots can you safely get out of one crossbow string and cable set?

Mission Crossbow Engineering Team: Crossbow strings and cables are expected to last about 200 to 500 shots. However, the main indicator is any fraying or severe wear to servings or bowstring material. Any signs of wear should signal the user to replace the strings or cables immediately.

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DM: Besides duration or shot-count considerations, what should users specifically watch for that could indicate a replacement is needed?

MCET: Broken strands or significant fraying are clear signs the string should be replaced. If the serving is flattened, unraveled or worn through where it contacts the rail, latch or cams, replace it. If the wrapped sections near the loops begin to separate or shift, the string should be inspected and likely replaced. Even if a string looks acceptable, we recommend replacement after 200 to 500 shots. Heavy use, exposure to moisture, UV light or frequent practice can also shorten its life.

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DM: What maintenance tips should users follow to prolong string and cable life?

MCET: String or rail lube should be applied every five to 10 shots to prolong the life of your strings and cables. It’s always a good idea to inspect the string and cables for any signs of fraying or severe wear before shooting. If present, immediately replace the string or cables.

Crossbows can only perform at their peak and remain safe to shoot when you prioritize maintenance. Image courtesy of Mission Crossbows.

DM: How about mistakes to avoid?

MCET: As with all weapons, crossbows must be handled with extreme care and safety. Never expose your crossbow to extreme heat or prolonged moisture, especially while cocked. Avoid storing your crossbow for extended periods in areas subject to extreme heat, such as the trunk of a vehicle, your attic or in a damp garage. Never use solvents, sprays or cleaners such as acetone or mineral spirits on or around your crossbow, as they might adversely affect the finish or damage components. You should always refer to the manufacturer’s owner’s manual to ensure best practices and safety.

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DM: Any special storage care tips when putting the crossbow away for the season?

MCET: If you’re putting a crossbow away for weeks or months, the main goals are to keep it clean, dry and free from unnecessary stress on its components. Always de-cock your crossbow before storing it for any amount of time. Be sure to inspect the string and serving for signs of fraying or excessive wear, and plan to replace them before next season, if present.