Does anybody have any experience with Blackspire chainrings? Are they more durable than the Shimano chainrings? Jenson USA went to Blackspire to have them custom make a batch of their chainrings just to fit XTR 960 cranks. 22T 64 BCD sells for $16, 32T 102 BCD sells for $40 and 44T 146 BCD sells for $55. Does this sound like a worthwhile alternative to Shimano?
Mtbr's 2016 Winter Biking GearReviews and Roundups
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