Well my GF hit a twig, yes a twig, which lodged between chain and spoke causing the rear deraileur to bend. Now we are trying to replace with original parts. But I have been finding that the SRAM X7 rear deraileur are available in small, medium and long cage? How do I know what size to use? We are new to bike repair. She has a 2012 X CAL WSD.
Mtbr's 2016 Winter Biking GearReviews and Roundups
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