Shimano 105 FC-RS510 double chainset, 52 / 36T, for 135/142 mm axle, 172.5 mm Brand new No box Pictures show item. The item in the photos is what you’ll receive If you see any discrepancies in my listing please ask to confirm. If unsure I can tell you the item in the photo is what you’ll receive Photos show actual item Any questions please ask
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