Kona 27 Speed Mountain Bike with hydraulic brakes and variable shocks. - Bicycles - Amanzimtoti, KwaZulu-Natal | Facebook Marketplace | Facebook
![geometry - Why do current mountain bikes have such steep top tube? Comparing my Kona Blast 2001 vs 2019 - Bicycles Stack Exchange geometry - Why do current mountain bikes have such steep top tube? Comparing my Kona Blast 2001 vs 2019 - Bicycles Stack Exchange](https://i.stack.imgur.com/LS7J8.jpg)
geometry - Why do current mountain bikes have such steep top tube? Comparing my Kona Blast 2001 vs 2019 - Bicycles Stack Exchange
![17" Kona Blast Alumium Disc Hardtail Mountain Bike 5'7"-5'10" Ford speacial Edition for Sale in Santee, CA - OfferUp 17" Kona Blast Alumium Disc Hardtail Mountain Bike 5'7"-5'10" Ford speacial Edition for Sale in Santee, CA - OfferUp](https://images.offerup.com/q6LE5pYYCMQ6lGGdCwHVmYd19rw=/250x250/5d63/5d630fcdaaa34be7bb2a9db1db3b637a.jpg)