e*thirteen Helix Race e*spec Chainring - Bosch SX / Gen4 CX Direct Mount 15mm Offset 32T 11/12 Speed BLK SuperBoost+ The index finger

The index finger

The 36 tooth ratchets ensure direct power transmission

high grade 4130 grade steel designed specifically for E-Bikes and longer wear

A free (non-ratcheting) wheel is generally used on the front wheel

e*thirteen Helix Race e*spec Chainring - Bosch SX / Gen4 CX Direct Mount 15mm Offset 32T 11/12 Speed BLK SuperBoost+ The index fingerHelix Race e*spec Chainrings merge cutting edge design and performance. Designed for Bosch SX and Gen 4 CX equipped e bikes this 1pc direct mount chainring is forged from 7075 AL for lightweight durability impressive stiffness and a standout technical aesthetic. Its custom metal dust cover enhances style and minimizes seal and lockring contamination. The new M4 narrow wide profile delivers enhanced chain retention and cross compatibility with Shimano