Shifter Components

Rear derailleur, compatible with 6 and 7-speed SIS INDEX variable speed transmission systems
Smooth shifting, easy and fast to install. Bracket fit (under wheel nut)
Long cage tourney derailleur, compatible with 11T /14T high speed gear
B tension adjus

The Sunrace M21 twist shifter works with Sunrace derailleurs to provide accurate shifts. A gear indicator lets you know what gear you're in.

Compatible with wide range cassettes (GS = up to 42T), optimized for trail use
Shadow+design for improved stability and chain retention
Dyna-Sys compatible
Light shifting effort
GS: for 1X and double cranksets; SGS: for triple cranksets

For SRAM Force22 11 speed road drivetrain
SRAM Model ID: CN-1170-A1

The Sunrace M21 twist shifter works with Sunrace derailleurs to provide accurate shifts. A gear indicator lets you know what gear you're in.