SHIMANO Alivio M3100 Shift Lever - 9-Speed - Right rear-derailleur The B17 is Brooks flagship

The B17 is Brooks flagship model

Hydration Port For Water Bladder (Bladder & Hose Not Included)

the custom alloy and the use of the PHR nipple interface allow to pair the unpairable:

and enduro riding

Brake Levers: Shimano

SHIMANO Alivio M3100 Shift Lever - 9-Speed - Right rear-derailleur The B17 is Brooks flagshipThe SHIMANO ALIVIO SL M3100 R shift lever provides responsive rear shifting for 9 speed mountain bike drivetrains. The RAPIDFIRE PLUS lever is suited to quick shifting, giving riders the ability to downshift three gears in one stroke. Quicker lever access and light operation Shifts max. 3 gears at a time (Main lever) OPTICAL GEAR DISPLAY for easy visible gear position