FSA Energy Chainring 39T 90BCD 4-bolt 11-speed MFPN=HWQASM00S2034S Hollow link and pin T-Type

Hollow link and pin T-Type chain with Hard Chrome coating for light weight durability

4 bolts are included

Battery life: up to 23 days of battery life in smartwatch mode

The eSKINGRIP+ technology delivers great balance between grip and glide

That enables you to use computer software during your training sessions

FSA Energy Chainring 39T 90BCD 4-bolt 11-speed MFPN=HWQASM00S2034S Hollow link and pin T-TypeFull Speed Ahead's Energy Modular Direct Mount Chainrings are designed for 2x road and gravel cranksets and feature shifting ramps and stainless steel pins on outer rings. Precision CNC machined AL7075 T6 Shifting ramps and stainless steel pins on outer rings Black anodized finish Laser etched logo Compatible with Modular cranksets