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  • FSA Energy Triple Chainset MegaExo 10sp
  • FSA Energy Triple Chainset MegaExo 10sp

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The Energy Triple MegaExo feature ultra lightweight AL6061-T6 Hollow forged crank arms mated to a chromoly steel spindle. It comes complete with chromoly steel bearings and 100-percent CNC AL7075 T6 chainrings.

• Integrated MegaExo BB
• Patented hollow forged AL6061/T6 crank arms
• Monocoque crankarm/spider
• Precision CNC machined AL7075/T6 chainrings, ramped and pinned for perfect shifting
• AL7075 Torx T-30 alloy chainring bolts
• Q-Factor: 156mm
• BCD: 130/74mm
• Chainline: 45mm
• Teeth combination: 52/39/30
• Available for all 10 speed systems
• High polish black anodized
• Weight: 843g
2 Questions : 2 Answers

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3 months, 1 week ago
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kirkwall,GB
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Answer: 
Bolt Circle Diameter (B.C.D.) is the distance between the bolts which hold the chainrings; in relation to the circumference of the crank spider.

This measurement only becomes relevant when replacing chainrings; for which this is a common sizing.
3 months, 1 week ago
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Gear ratios

I currently have a triple chainset which is a 50/39/30. If I change to this 52/39/30 are there any other components that would need to be altered/replaced?
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2 months, 3 weeks ago
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Whiteley, Fareham,GB
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Answer: 
There should not be any additional parts you will need when changing the chainring size. The size change is very minor and will not affect the other components.

You will need to have the front dérailleur adjusted to accommodate the larger chainring. A competent mechanic can do this very easily.
2 months, 2 weeks ago
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