Shimano Alfine SL-S503 8-Speed Internally Geared Hub Shifters - Includes shifter, 2100mm shift cable with housing and cable fixing bolt unit for CJ-8S20 cassette joint - 22.2mm clamp diameter, Rapidfire shift pod - Shimano 2-way release feature - Optical gear display

SRAM's Centra Twist Shifters are simple to use and offer solid shifting and reliable construction. They feature a large ergonomic grip section and SRAM's 1:1 actuation for solid shifts. Plus, with a simple twist of the wrist, you can shift a handful of gears at once.

SRAM's X4 shifters feature Exact Actuation 1:1 cable pull ratios for precise, dependable rear shifting. They deliver proven ergonomics and excellent performance at a great price.

SRAM's MRX Comp Twist Shifters are simple to use and offer solid shifting and reliable construction. They shift a 2:1 Shimano rear derailleur.