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Submitted by
cyclingmeat
a Cross Country Rider
from Winnipeg, MB, CANADADate Reviewed: August 2, 2009
Strengths: Cheap for people that have a bike, but don't ride it.Weaknesses: very soft Aluminum alloy.Bottom Line: These rings are so soft that they showed the same wear after 300km of commuter riding that my XT and Blackspire Pro level showed after 5000km of all kinds of riding. Ticked off, I took the XT ring, the Blackspire Pro ring, and the Blackspire Epic ring into my work's metallurgy lab for a Rockwell hardness test. The XT and the Pro rings came back on a Rockwell C range while the Epic was a dissapointing A range. What kills Blackspire for me is the customer service at Blackspire that told me that my Local Bike Shop is to blame for selling me the softer ring. Apparently they should have sold the higher priced Pro level of ring instead of the Epic, which was made for "light users". Don't buy these rings.
Favorite Trail: St. Jean de Baptiste, MB area
Duration Product Used: Less than 1 month
Price Paid:
$20.00
Purchased At: Alter Ego Sports
Similar Products Used: Shimano LX, XT, Blackspire Pro.
Bike Setup: Stock Trek 8000 from 2000.
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Submitted by
John G
a Cross Country Rider
from winnipeg, manitoba, canadaDate Reviewed: July 22, 2002
Strengths: Replacement chainring, not too priceyWeaknesses: None so farBottom Line: I swapped the three front rings with the 'epic' replacements from MEC. They fit just fine (110mm) and appear well made.
If they hold up (especially over winter) they will be an excellent upgrade. (What else do you want! they are just chain rings!!)
J
Duration Product Used: Less than 1 month
Purchased At: 15
Similar Products Used: Original Biopace chainrings
Bike Setup: Commuter, now with new drivetrain
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