The largest cog is 7075 Aluminium to keep weight down while the remaining cogs are constructed from durable steel

175mm Drop

E6100 series

Pros: Super-efficient 3-degree engagement

DHaRCO Men's 3-4 Sleeve Jersey - M - Dust Till Dawn Envelope Shipping The largest cog is 7075The DHaRCO Men's 3 4 Sleeve Jersey is a great all rounder 3 4 length option for those days when it's not super cold, and not super hot. Made from lightweight recycled polyester, this is a jersey you can shred the trails all day in and still be comfortable. Plus, you can still wear elbow pads and have the added sun protection. Dharco aims to produce riding gear that acts, not looks, like sportswear and they definitely nail it. Who's this item for: