Osprey Seral 4 Lumbar Pack - One Size Aprium Purple CheckoutTitle=RockShox CSU - Debonair - 27/29 Optimized for the industry-leading Bosch

Optimized for the industry-leading Bosch Gen4 motor as well as the light-and-quiet TQ HPR50 drive unit (Found on the 2023 Trek Fuel Ex-E) the RaceFace Era-E eMTB carbon crankset saves grams while staying scuff-free and looking great

40 Tire Width Range 2

5mm Depth 20mm Material Aluminum Type Tubeless Color (H/S/R) Black Weight 1150g Axle Size 12X148 Position Rear Hub Type Ratchet XD

The AR40 is designed for use with only tubeless tires greater than 28 mm wide Rear Axle 12mm Thru x 142mm Rim Width (Internal) 25 Cassette Body Type Shimano HG 11/12-Speed Road Valve Presta Color Black Wheel Size 700c ISO Diameter 622 / Road / 29" Tire Type Tubeless Ready Rim Material Carbon Hub/Brake Compatibility Center-Lock Disc

Osprey Seral 4 Lumbar Pack - One Size Aprium Purple CheckoutTitle=RockShox CSU - Debonair - 27/29 Optimized for the industry-leading BoschThe Osprey Seral lumbar pack is perfect for the minimalist looking for something other than a traditional over the shoulder pack. The Seral features a dedicated hydration compartment that stores an included 1. 5L lumbar reservoir and compresses for stable carry. Dedicated hose magnet attaches the bite valve for easy access. Easily accessible zippered main compartment with internal tool organization Dual zippered hip belt pockets Front panel bungee