Problem Solvers Eccentric Bottom Bracket Shim - 55mm Casing-400D PT Ultimate in stiffness and durability

Ultimate in stiffness and durability while only weighing a mere 400 grams - in the same weight range as premium carbon cranks but 20% to 30% stiffer

Brake Type Disc Damping Charger Race Day 2 Damping Adjustments External rebound 2 position compression (open/lock) Crown Material Aluminum Rake 51mm Maximum Rotor Size 180mm Maximum Tire Width 50mm Primary Color Black Spring Adjustments Air pressure Spring Type Solo Air Steerer Tube 1-1/8-1

Fits 110 BCD Asymmetric 4-bolt Shimano cranks

- Allows for truing and tensioning of wheel after wheel builds without any special procedures

Flat Protection Tread Color Black Weight 790 Weight (oz) 27

Problem Solvers Eccentric Bottom Bracket Shim - 55mm Casing-400D PT Ultimate in stiffness and durabilityThese handy Problem Solvers Eccentric Bottom Bracket Shims allow you to fit your existing Eccentric Bottom Bracket into BB shells with inner diameters of 55mm or 57mm. Anodized black 6061 Aluminum Size 55Mm