They're built from 100% 4130 heat treated and butted chromoly that's really strong and durable while still coming in at under 900 grams

Fit's Indent arms feature a concave design which increases strength and dent resistance with their 4130 CrMo construction backing that durability

Pouch capacity: 5 liters

The Cyclone Rotor is a pro-spec

Chromoly steel construction throughout the frame

Profile Mini Titanium Splined Driver with Chromoly Cog Size:14t They're built from 100% 4130The Profile Mini Splined Titanium Driver is a replacement driver designed for Profile Mini cassette hubs only. Upgarde your standard driver with titanium splined driver that delivers less weight and more strength, this driver comes with a chromoly cog included. Weight: 0. 18 lbs (82g)