Today, Shimano debuted an all-new 8-speed 1x drivetrain dubbed ESSA. This new kit is an update to the existing 8-speed lineup; it is versatile, robust, and priced to target entry-level bikes. Best of all, ESSA is compatible with current 8-speed flat-bar ACERA, ALTUS, and TOURNEY TX systems. Let’s look at the key components below.

RD-U2000 Rear Derailleur ($43.99)

Stable drivetrain performance on trails.

• Optimized geometry and spring tension reduce chain drop
• Low-profile design is optimized for rough terrain
• Total capacity: 34T
• Max. low sprocket: 45T
• SHIMANO SHADOW RD

FC-U2000-1 Front Chainring and Crank ($39.99)

Special gear tip shape improves chain engagement and retention for smooth riding over rough terrain.

• Chainring option: 32T, 40T
• DYNAMIC CHAIN ENGAGEMENT+ (32T)

CS-HG400-8 Cassette ($34.99)

Wide range 8-speed cassette provides reliable shifting performance for various riding styles.

• Wide range: 11-45T (11-13-15-18-22-27-35-45T)
• HYPERGLIDE

See more at Shimano.