Shimano Tourney FC-A070 Road Bike Crankset 170mm 50/34T

Great value Tourney road chainset. SG-X chainrings feature strategically placed chain pick-up pins...

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OnBuy.comShimano Non-Series Road Fc-A070 Square Taper Double Chainset 7-/8 Speed
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eBayShimano FC-A070 Square Taper Double Chainset 7-/8-Speed, 50 / 34T 170 mm
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eBayShimano FC-A070 Square Taper Double Chainset 7-/8-Speed 50/34T 170mm - Black A
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Product Information

Full details

This guide is for cyclists looking for a reliable and affordable road bike crankset. The Shimano Tourney FC-A070 offers smooth shifting and durable performance, making it ideal for both recreational riders and commuters. However, it's designed for 7/8-speed drivetrains, so it may not be suitable for newer 9-11 speed systems.

All features

Model Part NumberFC-A070
BrandSHIMANO

Extended Product Information

FAQs

What tools are needed for installation?

You'll need a crank puller tool and a bottom bracket tool. A torque wrench is also recommended for proper bolt tightening.

Is the crankset compatible with my bike?

This crankset is compatible with bikes using a square tapered bottom bracket and Shimano 7/8-speed drivetrains. Check your bike's specifications before purchasing.

What is the warranty?

This product comes with a 12-month warranty.

What does 'Open Box Grade A' mean?

It means the item is new and unused but may have box damage or a replaced box, and the item seal removed.

How do I clean the chainrings?

Use a degreaser and a brush to remove dirt and grime. Rinse with water and dry thoroughly.

Can I use this crankset with a 9-speed cassette?

No, this crankset is designed for 7/8-speed drivetrains only.

Troubleshooting

Shifting is not smooth.

Check and adjust the front derailleur, ensure the chain is properly lubricated, and inspect for bent chainrings.

Chain is skipping.

Inspect the chainrings and chain for wear. Replace worn components as necessary. Ensure the chain is the correct size and type for your drivetrain.

Crank arms are loose.

Tighten the crank arm bolts to the manufacturer's recommended torque. If the problem persists, the bottom bracket may need to be replaced.

Pros and Cons

Pros

  • Fast and positive shifting performance.
  • Durable construction for extended lifespan.
  • Compatible with common 7/8-speed drivetrains.
  • Lightweight design for improved efficiency.

Cons

  • Not compatible with 9-11 speed drivetrains.
  • Open Box Grade A condition, possible box damage.
  • Requires a square tapered bottom bracket.

Setup, Compatibility & Care

This crankset is designed to work with square tapered bottom brackets. Ensure your bike has the correct bottom bracket type before installation. Proper installation requires specific tools, so consider consulting a professional bike mechanic if you are not experienced. Compatibility is limited to Shimano 7/8-speed chains and drivetrains.

Care Instructions:

  1. Cleaning: Regularly clean the crankset with a degreaser to remove dirt and grime.
  2. Lubrication: Keep the chain and chainrings well-lubricated to ensure smooth shifting and prevent wear.
  3. Inspection: Check for any signs of wear or damage to the chainrings or crank arms. Replace worn components as needed.

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