Best Cycling Shoes for Spin Class
SPD-compatible shoes ranked for fit, stiffness and walkability.
Read → 9 min readUpdated September 2026 · 9 min read
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One decision governs this category: SPD or Delta. Choose SPD unless your studio tells you otherwise — the cleat sits recessed in the sole so you can walk normally, and the pedals are double-sided so you clip in without hunting for the right face. Delta is on indoor bikes largely because Peloton chose it, and any 9/16 inch SPD pedal will replace it. Nothing about a Peloton crank is proprietary.

Quick Picks — At a Glance
6 Options · Ranked
A dual-sided pedal with an SPD mechanism on one face and a flat platform on the other is the correct default for a home bike, and the reason is household reality rather than performance. You get a proper mechanical connection when you are in cycling shoes, and anyone else in the house can ride in trainers without changing anything. SPD is the right clip standard for indoor cycling because the cleat is small and recessed into the sole, so you can walk normally — a Delta or LOOK road cleat protrudes and turns the walk from bike to kitchen into an unsteady clatter. Check the spindle thread is 9/16 inch, which virtually every indoor bike uses, and note that the left pedal is reverse-threaded: it tightens anticlockwise. Most pedal installations that go wrong go wrong there.
Shop on AmazonThe M520 has been the default clipless pedal in gyms and studios for years for unglamorous reasons: the mechanism is simple, the tension is genuinely adjustable, and it keeps working after years of sweat and neglect. For indoor cycling the adjustable release tension matters more than it does outdoors, because beginners want it slack enough to twist out instantly without thinking, and confident riders want it firm enough that a hard standing sprint cannot unclip them accidentally. Being double-sided SPD, you can clip in from either face without looking down, which is a real advantage when a class has already started. There is no platform side, so trainers are not an option — buy the dual-sided pedal above if the bike is shared. Pair with SM-SH56 multi-release cleats if you are new to clipping in.
Shop on AmazonPeloton ships with LOOK Delta pedals, and a large share of owners eventually swap them for SPD. The reasons are consistent: Delta cleats protrude from the sole so you cannot walk comfortably, the shoe choice is narrower, and Delta pedals are single-sided so you have to flip the pedal to find the face every time. Any 9/16 inch SPD pedal fits a Peloton — there is nothing proprietary about the crank — so this is a genuinely straightforward upgrade, not a hack. Two practical notes. Peloton recommends periodic pedal replacement regardless of type, so treat this as maintenance you were going to do anyway. And you will need a 15mm pedal spanner or a 6mm Allen key depending on the pedal, plus a reminder that the left pedal is reverse-threaded.
Shop on AmazonCleats are sold separately from pedals, which catches people out, and the choice between the two Shimano options matters more than the price suggests. SM-SH51 is single-release: it disengages only when you twist the heel outward, which is secure and is what experienced riders use. SM-SH56 is multi-release: it will also release if you pull upward or twist at an unusual angle, which is far more forgiving when you are learning and is the reason it is the sensible first purchase. The trade-off is occasional unintended release during a maximal standing effort, which is why riders migrate to SH51 later. Cleats are a wear item — replace them when the engagement starts feeling vague or the release becomes unpredictable, typically annually with regular use. Check the shoe has a two-bolt SPD sole pattern.
Shop on AmazonNot everyone should clip in, and a good cage is a legitimate choice rather than a compromise. Cages suit shared household bikes where riders have different shoes, anyone nervous about being attached to the pedals, and riders with balance or mobility concerns who want to be able to get a foot down instantly. A proper adjustable cage with a ratcheting or hook-and-loop strap holds the foot securely enough that you can pull through the upstroke, which is most of what clipping in buys you. The failure mode of cheap cages is the strap loosening under load, so look for a metal cage with a genuine ratchet rather than a moulded plastic basket. Wide platforms also spread pressure better than narrow ones over a long class, which matters if you ride in soft-soled trainers.
Shop on AmazonIf you are not yet sure clipping in suits you, a budget dual-function pedal answers the question for the price of two studio classes. The clip mechanism at this price works, and for indoor use — where there is no mud, no grit and no impact — it is under far less stress than the same pedal would be outdoors. What you give up is bearing quality and tension adjustment range, both of which show up over time as a mechanism that becomes either stiff or vague. Check two specifications before ordering: a 9/16 inch spindle, since the narrower 1/2 inch size exists and will not fit an indoor bike, and whether cleats are included, as budget listings vary and cleats bought separately erode the saving. Upgrade to the Shimano once you know you are staying clipped in.
Shop on AmazonSPD or Delta for indoor cycling?
SPD for almost everyone. The SPD cleat is small and sits recessed into the sole, so you can walk normally from the bike to anywhere else — a Delta or LOOK road cleat protrudes and makes walking awkward and slippery. SPD pedals are also usually double-sided, so you can clip in without flipping the pedal to find the right face. Delta exists on indoor bikes mainly because Peloton chose it; it offers a slightly larger contact platform, which matters for long road rides and very little for a 45-minute studio class. If your studio mandates a standard, follow the studio.
Will any pedals fit my spin bike?
Almost certainly, provided the spindle is 9/16 inch, which is the standard on essentially every indoor bike including Peloton. The narrower 1/2 inch size exists on some very old or department-store machines, so check if your bike is unusual. There is nothing proprietary about a Peloton crank, which is why SPD conversion is straightforward. Remember the left pedal is reverse-threaded — it tightens anticlockwise — and you will need either a 15mm pedal spanner or a 6mm Allen key depending on the pedal design.
Do clip-in pedals come with cleats?
Usually but not always, and this is a common source of frustration. Shimano pedals typically include a set of SM-SH51 cleats; many budget pedals do not include any, and some listings show cleats in the photograph without including them. Read the specification rather than the image. If you are new to clipping in, buy SM-SH56 multi-release cleats separately even if SH51 cleats are included — the more forgiving release is worth the extra $20 while you learn.
Are clip-in pedals worth it for indoor cycling?
For anything more than occasional riding, yes. Being attached to the pedal lets you apply force through the upstroke as well as the downstroke, which distributes work across more muscle and makes high-cadence efforts noticeably smoother. It also stops the foot sliding forward on the pedal, which is what causes hot spots and numbness in trainers. That said, a well-adjusted toe cage delivers a good share of the same benefit, and is the better choice for shared bikes or anyone who wants to get a foot down instantly.
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