The B17 is Brooks' flagship model

The NX derailleur has a been designed for performance and durability

Steps between gears are optimized to give an even spread between shifts

FastFit™ Tool Free Wheel Chock System

This is the ideal chain for the thousand dollar bike

MAXXIS Dissector Tire - 29 x 2.6 - Dual EXO - Wide Trail - Black can be discounted The B17 is Brooks' flagshipFrom the Dissector, Troy Brosnan wanted to create a "unicorn tire" a center tread design that carried speed easily but with edge blocks worthy of world class cornering speed. The Dissector center knobs are all heavily ramped to minimize drag, but retain sharp, flat edges along their backs to provide strong braking traction. Small sipes give the knobs additional flexion, increasing their surface area during braking and aiding the transition to the edge