Rotor Round Chainrings Shimano 12s/11s SRAM 11s Shimano 4-Bolt Installed

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  • Regular price $170.00 USD

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50-34 ("compact"): If you ride a lot in the mountains.

52-36 ("semi-compact"): A great all-round combination – a customer favorite!

53-39 ("standard"): Great for flat riding, time trialing, and very strong riders

54-42 ("TT and Fast RR"): A perfect combination for those that want to Time Trial or want bigger gears for sprinting. Also available in a 54-39 combination.