January 30, 2026 4 min read

Picking the right lighted nock makes a real difference in your hunting and target shooting. These small but mighty components help you track arrow flight, verify shot placement and find your arrows after release. But getting the right fit means understanding a few key factors about your specific setup.

Understanding Shaft Inside Diameter

Proper component compatibility is critical when selecting arrow accessories. The archery industry maintainstechnical guidelines to  ensureuniformity and compatibility between components. Following these standards helps ensure safe, reliable equipment performance.

Your arrow's shaft inside diameter (ID) is what matters most when shopping for lighted nocks. Get this measurement wrong, and the nock won't fit or work properly. Lumenok makes nocks for five shaft ID sizes:

  • .246 inch Shaft ID: Lumenok GT

  • .245 inch to .244 inch/6.5 millimeter Shaft ID: Lumenok S

  • .232 inch/6 millimeter Shaft ID: Lumenok H

  • .204 inch/5 millimeter Shaft ID: Lumenok X

  • .165 inch to .166 inch/4 millimeter Shaft ID: Lumenok H with adapter

Check your arrow manufacturer's catalog or website for shaft specifications before you buy. The ID measurement trumps brand names or model numbers every time. Many manufacturers produce different arrow models with identical shaft diameters, so knowing your actual ID saves you from ordering the wrong product.

Lumenok's nock selector tool takes the guesswork out of this process. Plug in your arrow model or shaft specs, and it tells you exactly which nock you need. Simple as that.

Compound Bow vs. Crossbow Considerations

What you shoot determines what kind of nock works best. Compound bow users need nocks that light up on release when the string makes contact. The moment your arrow leaves the string, the nock activates automatically. No switches, no buttons, just instant illumination to track your shot.

Crossbow nocks work differently. You'll choose between half-moon and flat styles. Half-moon nocks must align correctly with your fletching—they sit perpendicular to the hen feathers. Get the alignment wrong and you'll see it in your accuracy. Flat nocks skip this concern entirely since their shape stays uniform all the way around.

Today's crossbows shoot fast enough that tracking bolts through a scope gets tricky. A bright nock solves this by marking your impact point clearly. That information proves vital when you're evaluating shot placement and planning your tracking approach on game.

Key Features to Consider

Brightness and Visibility: You need to see your nock, period. Lumenok built its reputation on producing the brightest lighted nocks available, visible even in full daylight. During dawn and dusk hunts when deer and other game move most, that brightness becomes indispensable. Thick brush and varied terrain can hide a dimmer nock, but a truly bright one cuts through the visual clutter.

Battery Life and Replaceability: Replaceable batteries extend your nock's lifespan considerably. Quality options run 20 to 40 hours on a single battery. Instead of tossing nocks when the battery dies, you just swap in a fresh one. This saves money over time and lets you start each hunt with full battery power.

Durability: Nocks take a beating from shooting forces, target impacts and pass-throughs on game. Solid construction keeps them working shot after shot. Cheap nocks fail when you need them most, while quality builds last season after season.

Weight and Arrow Flight: Adding a lighted nock changes your arrow's weight distribution. This shifts your front-of-center balance and can alter how the arrow flies. Shoot your setup with lighted nocks before season opens and tune accordingly. Most archers see minimal point-of-impact changes, but verify your zero at 40-plus yards to avoid surprises afield.

Making the Selection Process Easy

Stop guessing and start using Lumenok's selection tool. Enter your arrow information and get matched with the right nock immediately. It's faster and more accurate than trying to figure it out yourself.

Need accessories to complement your nocks? Lumenok stocks what you need. Once you know your shaft ID and shooting requirements, the decision becomes straightforward. The right nock gives you better shot visibility, easier arrow recovery and clear feedback on every release.

Ready to experience the difference that the original lighted nock makes? Shop Now to find the perfect Lumenok for your setup, or use our nock selector tool to identify the right model for your arrows.

Frequently Asked Questions

How do I determine my arrow's shaft inside diameter?

Look up your arrow manufacturer's specifications on their website or in product catalogs. You can also measure it directly with precision calipers. If you're still unsure, contact the manufacturer or use Lumenok's nock selector tool to find your answer.

Will lighted nocks affect my arrow's accuracy?

They add weight to the back of your arrow, which shifts FOC and can change flight characteristics. Tune your bow with the lighted nocks you'll actually use, then test at different distances. Most shooters maintain excellent accuracy once their setup is properly tuned.

Can I use the same lighted nocks for both practice and hunting?

Absolutely. Lumenok builds durable nocks that hold up through practice sessions and hunting seasons alike. The replaceable batteries mean you can use them for years. Just check battery levels before important hunts and swap them when needed.

Do lighted nocks work in cold weather?

Quality nocks like Lumenok function reliably in cold temperatures. Brightness and battery performance stay consistent regardless of weather, making them dependable for early and late-season hunting when temperatures drop.