For Sale Singletracks Mountain Bike News, Product Reviews, MTB Trails and Community › Protected: Forums › Mountain Bike Forum › For Sale Tweet Add to Flipboard Magazine. Viewing 0 reply threads Author Posts March 22, 2021 at 09:31 #585417 Amyjohnson1014 My son is getting bigger and we are selling his 2018 Specialized Riprock 24 inch mountain bike. Asking 375.00 Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.