Please note: This battery is only compatible with Specialized Turbo SL bikes.

Battery anxiety? Not with a Turbo SL. Our discreet and compact SL Range-Extender Battery provides up to 40 additional miles (64km) of mountain-flattening power. More range, more riding.

Key Features:

• 160Wh capacity delivers up to one additional hour of riding.
• Only compatible with Specialized Turbo SL Bikes.
• Includes a 3 LED charge-level indicator.