Weight
Aluminum frames are built with large diameter tubing and thick walls. They are stronger than carbon but also weigh more. Carbon is light, and as the technology advances, the frames are becoming increasingly stronger.
Cost
High-performance carbon frames are expensive when compared to aluminum. They should be considered for serious competition riding but are not necessary for the daily commute. Aluminum frames are affordable and perform well in a variety of situations.
Durability
Both frame styles offer durability. Aluminum frames are easier to repair and the material itself is difficult to break and bend. If it is a cheap frame with thin-walled aluminum, the durability will decrease. Carbon frames are durable and require extreme stress to fracture or break. Once broken, they are difficult to repair and may require replacement.
Article Written By Zach Lazzari
Zach Lazzari is an outdoor writing specialist. He has experience in website writing as well as standard newspaper writing. He wrote an outdoor column for the Silver World in Lake City, Colo., and articles for Colorado-mountain-adventure.com. Lazzari is currently completing his bachelor's degree online through Arizona State University and lives in southwest Montana.