The Airscape back panel uses air mesh-covered foam with a centre air channel for excellent ventilation

Pros: Very lightweight

It includes a sturdy steel 32T chainring and a 175mm crank length

Mounting locations: The included grid bag mounts to the underside of your saddle rails

Strap Style: The pack uses Osprey's Biostretch harness and Airscape suspension system to enable dynamic body movement while evenly distributing the load across the entire back panel

Shimano Deore FC-M5100-1 96 BCD Asymmetric Chainring - Four Bolt - 96 BCD - Shimano Asymmetrical - Standard Crank Chainline - Round - 34T - 10-11 Speed - Alloy PDP|Colour The Airscape back panel usesReplacement rings for your Shimano 1x10 or 1x11 2 peice cranks using 96mm Asymmetrical 4 bolt mounting. With a combination of Shimano's tooth profile and durable materials, the Deore Series FC M5100 series rings were designed for great chain retention and longevity. Choose from either 30, 32, or 34T versions. Who's this item for: Riders with Shimano cranks utilizing the 96mm Asymmetrical 4 bolt mounting that are looking for a genuine Shimano