Specialized Allez Crank Noise

That rhythmic click every time you push the pedals. The low creak that only shows up when you're climbing out of the saddle. The grinding sound that makes you wonder if your Specialized Allez crank noise is something serious or just a loose bolt.

Our research shows that roughly 70 percent of crank noises on threaded-bottom-bracket frames like the Allez come from one of three places: loose chainring bolts, an incorrectly adjusted preload ring, or a pedal thread that needs grease. You can fix most of these with basic tools and about 20 minutes. Let's walk through exactly what to look for.

Quick Answer

A Specialized Allez crank noise usually comes from the bottom bracket, chainring bolts, or pedals. Check the simplest causes first. Tighten the chainring bolts to 12 to 14 Nm.

Remove the crankset and regrease the spindle. Reinstall with correct preload. Test ride before replacing anything.

That Creak, Click, or Grind – Why Your Allez Crank Makes Noise

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The Allez uses a threaded 68mm BSA bottom bracket shell. That's a good thing for reliability. But it also means every noise path is slightly different than on press-fit frames.

A creak at the bottom bracket means you need to check the cups, the spindle interface, or both.

Bike noises travel. A sound that feels like it's coming from the crank can actually be a loose seatpost, a worn pedal bearing, or even a cleat. That's why visual inspection matters more than guessing.

Your Allez model year matters too. Newer models (2020 and later) mostly use Praxis M30 bottom brackets with 30mm spindles. Older ones use Shimano Hollowtech II with 24mm spindles.

The noise sources are similar, but the tools and torque specs differ. Per Shimano's technical documentation, a crank arm pinch bolt should sit between 12 and 14 Nm. Going past that risks stripping the aluminum threads.

Reading the Noise – What Each Sound Means (and What to Look For Visually)

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A click that happens once per pedal revolution usually points to something that rotates with the crank. That means the chainring bolts, the crank arm itself, or the pedal. Look for loose bolts.

Look for a chainring bolt that sits slightly proud of the ring.

A creak that comes under heavy pedaling load points to the bottom bracket. Water and road grit get into the threaded shell. They work between the cup and the frame.

The result is a noise that sounds like an old wooden floor. Visual signs include rust or dirt around the bottom bracket cup edge.

A grinding or gritty feeling means a bearing is failing. Turn the crank by hand with no chain installed. If you feel roughness or hear a dry rubbing sound, the bottom bracket bearings need replacement.

A pop or snap sound is the one to take seriously. It can indicate a cracked crank arm. Look for hairline cracks near the pedal eye or the spindle interface.

If you see one, stop riding immediately and replace the crank.

Your Visual Diagnosis Workflow – Step by Step

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Follow these steps in order. Do not skip the quick checks.

Step one: Replicate the noise. Stand next to the bike. Push down on the pedal. Listen.

Now pedal while seated. Now pedal while standing. Does the noise change?

If it only happens when you're standing, the bottom bracket is the likely culprit. If it happens in every position, check the chainring bolts first.

Step two: Check the quick wins. Look at your pedals. Are they fully threaded in? A pedal that's even a half-turn loose will click every time you push down.

Tighten them with a pedal wrench. Check your shoe cleats too. A loose cleat can sound exactly like a crank click.

Step three: Check the chainring bolts. Use a 4mm or 5mm Allen key. Try to tighten each bolt. If any moves even a fraction of a turn, that's your noise.

Torque them to 12 to 14 Nm per manufacturer specs.

Step four: Check the crank arm pinch bolts. Look at the non-drive side crank arm. The pinch bolts hold it to the spindle. If they're loose, the crank arm will rock slightly on the spindle.

That creates a distinct click. Torque these to 12 to 14 Nm for Shimano cranks. For SRAM GxP, it's 12 to15 Nm.

Step five: Remove the crankset and inspect. Use a crank puller or the self-extracting cap. Remove the non-drive side arm. Slide the drive-side arm and spindle out.

Look at the bottom bracket bearings. Rotate them by hand. Feel for any roughness.

Look at the spindle for scoring or rust.

Step six: Clean and regrease. Wi e the spindle clean. Apply a thin layer of grease to the spindle and the bottom bracket threads. Reinstall everything.

Make sure the preload ring is adjusted correctly: tighten until snug, then back off slightly so the crank spins freely with no play.

Mistakes That Throw Off a Diagnosis – Common Visual Traps

The biggest istake is replacing parts too early. Someone hears a creak, buys a new bottom bracket, installs it, and the noise is still there. That's because the noise was actually coming from loose chainring bolts or a dry pedal thread.

Here are the common traps to avoid.

Trap one: Assuming it's the bottom bracket. The bottom bracket gets blamed for everything. Before you pull it, rule out the pedals, chainring bolts, and crank arm pinch bolts. Those are faster and cheaper to fix.

Trap two: Forgetting the chain. A dry or worn chain can create a noise that sounds like it's coming from the crank. Lube the chain first. Ride it.

If the noise disappears, you saved yourself an hour of work.

Trap three: Overlooking the front derailleur. If the chain rubs the front derailleur cage, it makes a ticking sound that can feel like a crank noise. Shift to the big ring. Look at the clearance between the chain and the cage.

Trap four: Ignoring the seatpost and saddle. A creaking seatpost clamp or a loose saddle rail can transmit noise right down the frame. It feels like it's coming from the bottom bracket. Grease the seatpost and tighten the saddle bolts before you touch the crankset.

Trap five: Using the wrong grease. The Allez's threaded bottom bracket uses a plastic or composite cup on some models. Standard lithium grease can swell the plastic. Use a polyurea-based grease or a dedicated bearing grease.

Check the Park Tool guide for bottom bracket specific lubrication recommendations.

Frequently Asked Questions

Why does my Allez crank click only when I pedal hard?

That usually points to the bottom bracket or the chainring bolts. Pedaling hard puts more torque on these parts. Tighten the chainring bolts first.

If the noise remains, remove the crankset, clean the bottom bracket interface, and regrease.

Can I ride with a crank creak?

It depends on the source. A creak from a dry bottom bracket is annoying but not dangerous. A pop or snap could mean a cracked crank arm or pedal.

Inspect visually first. If you see cracks, stop riding and replace the part.

How often should I service my Allez bottom bracket?

Every 1,500 to 2,000 miles or once a season, whichever comes first. Remove the crankset, clean the spindle and bottom bracket shell, and apply fresh grease. This prevents the creaks that come from dried-out interfaces.

Do I need special tools to fix crank noise?

A set of Allen keys (4, 5, 6, and 8mm), a torque wrench, and a crank puller or self-extracting cap tool. For the bottom bracket, you may need a Shimano TL-FC16 or Park Tool BBT-22, depending on which BB your Allez uses.

Is it safe to use WD-40 on a noisy crank?

No. WD-40 is a solvent, not a lubricant. It will wash away the existing grease and make the noise worse over time.

Use a proper bicycle grease or anti-seize compound for the threads.