SHIPS APRIL 24TH 2025. Protect your investment with the GLE Enduro True Fin Enduro Heatsink. Keep your controller cool under large loads while preserving the factory aesthetics. If you ordered your BAC8000 from another vendor this product is for you. Combine this with the GLE integration kit for the Surron Ebike to gain access to tons of new riding and tuning features only available from the GLE Dashboard. Note: This fin is included with the purchase of the GLE Ludacris power upgrade kit for the Surrron.