Microshift R9 SB-R492 2x9 Speed Pair Drop Bar Shifter - 2x9 Speed - Drop Bar - Shimano Road PDP|PLP|Suits Freehub Type Tyre Insert Air Flow System:

Tyre Insert Air Flow System: 6 slots machined into the base of the valve stem for compatibility with most tubeless tyre inserts and allowing your tubeless sealant fluid and air to flow freely when running tubeless tyre inserts

it enhances protection by reducing rotational forces during impacts

Just about as strong as they come

further control

An anodized Wolf Tooth chainring bolt and three stainless steel screws hold everything together

Microshift R9 SB-R492 2x9 Speed Pair Drop Bar Shifter - 2x9 Speed - Drop Bar - Shimano Road PDP|PLP|Suits Freehub Type Tyre Insert Air Flow System:R Series drop bar shifters are designed to make life easier. Upshifts and downshifts are handled by separate, discrete levers and the brake lever is completely fixed, meaning accidental shifts are a thing of the past. External shifter cable routing is easy to replace and avoids kinks in the housing. Add in comfy ergonomics and crisp shifting action, and you've got the best value in road shifters. Available in a number of combinations. Pick from the