Y"know what they say about guys with big chainstays? They need big chainstay protectors. Like the Lizard Skins Jumbo 29er Chainstay Protector, to keep any unwanted chain slap from marring their beautiful frames. Product FeaturesMaterial: Dimensions: 11.4 in 3.7 inCompatibility: Weight: 20 gRecommended Use: keeping your 29er frame pristineManufacturer Warranty: limited