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Riffle & Reel

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Fly Reels

On a trout rod the reel is mostly line storage. Here is the part of it that genuinely matters, and the part you are being sold.

By Brijon M. · Last reviewed October 6, 2026 · How we choose

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The short answer

Orvis Clearwater Large Arbor Reel II

A sealed drag at a trout-reel price, rated exactly 3-5 weight, 5.6 oz, and it converts to left- or right-hand retrieve without tools. Sealed is the feature worth paying for when you wade gravel.

Here is the thing nobody selling reels will tell you: for most trout fishing, a fly reel is a place to keep line. You strip line off it with your hand, you cast, you retrieve by pulling line in with your hand, and you wind it back onto the reel when you walk to the next pool. The reel does nothing in between.

The reel's drag — the adjustable resistance that slows a running fish — only comes into play when a fish takes enough line to pull it directly off the spool. On a 5-weight with 5X tippet, a trout strong enough to do that is also strong enough to break the tippet long before the drag setting matters. Which means the enormous drag numbers printed on reel packaging are, for a trout beginner, close to irrelevant.

What does matter, in order:

  1. The right size for your rod. A reel too small will not hold the line and backing; one too large is dead weight on the butt of your rod and unbalances the cast.
  2. A sealed or well-protected drag. Not for power — for grit. Wading gravel puts fine sand into an open drag, and a gritty drag becomes a jerky drag, which is how light tippet actually breaks.
  3. Large arbor, if you have the choice. A bigger spool center means you pick up more line per turn and the line sits in looser coils, which matters most in cold weather when a tightly coiled line tangles round your boots.
  4. Weight and balance. A heavy reel on a light rod makes a day feel longer.
Close-up of a fly reel with line on the spool

Start here if you are new

  1. Check the size chart against your rodReel sizes are labeled inconsistently across brands. One table maps size to rod weight and backing capacity.
  2. Work out whether you need drag at allThe honest answer for trout is 'less than the marketing implies', and knowing that saves you real money.
  3. Pick from the beginner roundupFour real reels, ranked, with a clear default and a stated reason to skip each one.

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Head to head

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Charts and explainers

What this category actually costs

Bands, not quotes. We do not publish prices. Every product links out to the live price at the retailer.
TierWhat changesRealiztic band
Included in a comboAdequate; a working reel you may never replaceBundled
Budget standaloneMachined or die-cast body, basic disc dragTens of dollars
MidSealed drag, better tolerances, large arborLow hundreds
PremiumFully machined, sealed, very light, cosmeticsMid-to-high hundreds

Sizing: match the reel to the rod, not to the fish

Reel sizes are labeled inconsistently. One brand's "size II" covers 3-5 weight; another's "5/6" covers 5 and 6; a third just prints a number. The thing they all agree on is that the reel should state a line-weight range, and your rod's weight should be inside it.

Reel sizing for a beginner's rod, by rod weight
Rod weightReel you wantTypical backing
3-4 wtSmallest trout size (often 'I' or '3/4')50-75 yd of 20 lb
5 wt3-5 wt or 5/6 class (often 'II')75-100 yd of 20 lb
6 wt5-7 wt or 5/6 class100 yd of 20 lb
8 wt7-9 wt class (often 'IV')150-200 yd of 20-30 lb

Our fly reel size chart is the full version of that table including how the brands' labels map onto each other, and does fly reel size matter? answers the question directly for anyone who has been told a bigger reel is always better.

Backing: what it is, and why it is there

A spool of fishing line on a wooden surface
Backing is plain braided line that sits under your fly line. It fills the spool and gives a running fish somewhere to go.

A fly line is only about 85 to 90 feet long. Backing is cheap braided line — usually 20 lb Dacron — that goes on the spool first, underneath the fly line. It does two jobs: it fills the spool so your fly line sits on a larger diameter and coils less tightly, and it gives a fish somewhere to run if it takes more than 90 feet.

For trout you will almost never see your backing. Put it on anyway, because the spool-filling job is real and happens on every cast. If you bought a combo, it is already on there. How much backing for a fly reel covers the quantities and how to work out whether you have too much or too little.

Arbor size, in one paragraph

Arbor is the diameter of the spool's center. A large arbor has a wide center: you retrieve more line per turn of the handle, and the line comes off in big relaxed loops. A mid or standard arbor has a narrower center: slower retrieve, tighter coils. Tight coils are mostly a cosmetic annoyance in warm weather and a genuine nuisance in cold weather, when fly line is stiff and a coiled line tangles around your feet.

Given a choice at the same price, pick large arbor. It is not worth paying a large premium for. Large arbor versus mid arbor has the side-by-side.

When a reel's drag genuinely does matter

We have been dismissive of drag because for trout on light tippet it deserves to be. There are three situations where that flips, and it is worth knowing whether you are in one:

  • Big fish on heavier tippet. Steelhead, salmon, carp, pike, anything saltwater. Here the tippet can take more pressure than your hand can apply smoothly, and the drag is doing the work.
  • Still water. A fish in a lake can run a long way in any direction with nothing to stop it, and you will see your backing.
  • Bass on a 6-weight with 2X tippet. Heavier tippet plus a fish that bolts into cover is a real drag test.

If any of those is in your near future, a reel like the Redington Behemoth makes sense as a buy-once purchase. If none of them is, the money is better spent on line, leaders and flies. How to choose a fly reel walks the whole decision.

Should you upgrade the reel that came with your combo?

Usually no, and this is the most common upgrade mistake we see recommended. The components on a beginner combo rank for replacement in this order: line first, by a wide margin; then leaders and tippet; then the rod; then the reel. A combo reel that holds line, has a drag that turns smoothly, and has not been full of sand is doing its job.

The exception is a plastic-framed reel whose drag has become gritty or jerky, because that failure mode breaks tippet on good fish. If that is what you have, the best fly reels under $100 roundup is the right page.

Questions people actually ask

Does fly reel size matter?

Yes, but only for fit rather than performance. The reel needs to hold your fly line plus backing without overfilling, and it needs to be light enough not to unbalance the rod. Beyond that, a larger reel does not help a trout angler — it just adds weight. Match the reel's stated line-weight range to your rod's weight and stop there.

What size fly reel do I need for a 5 weight?

A reel rated for 3-5 weight or 5/6 weight, which most brands label as a size II. That holds a 5-weight line over roughly 75 to 100 yards of 20 lb backing without overfilling the spool. Check the reel's own stated line-weight range rather than trusting the number on the box, because brands label sizes differently.

What is arbor size on a fly reel?

The arbor is the diameter of the spool's center. A large arbor has a wide center, so you retrieve more line per turn and the line sits in looser coils. A mid or standard arbor is narrower: slower retrieve and tighter coils. Large arbor is the better choice at the same price, mainly because loose coils tangle less in cold weather.

Do you need backing on a fly reel?

Yes, and not primarily for the reason people assume. Backing gives a running fish somewhere to go past the end of your 85-to-90-foot fly line, which for trout almost never happens. Its everyday job is to fill the spool so your fly line sits on a larger diameter and coils less tightly, and that affects every single cast.

How much backing do I need on a 5wt fly reel?

Roughly 75 to 100 yards of 20 lb Dacron on a size II reel, but the right amount is whatever fills the spool so that the fly line, fully wound, sits just below the spool rim. Too much and the fly line will not fit; too little and the line coils tightly. If you bought a combo it is already spooled correctly.

Should I upgrade the reel that came with my combo?

Probably not yet. On a beginner combo the components worth replacing, in order, are the fly line first by a wide margin, then leaders and tippet, then the rod, then the reel. The exception is a reel whose drag has become gritty or jerky, because an uneven drag is what actually breaks light tippet on a good fish.

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