Apico’s Beta Evo rear linkage upgrade bolt sets are manufactured using only the finest Inox steel. Slightly longer than the OEM bolts for a simplified installation and thicker bolt head for superior strength compared to your oem bolts. Precision CNC machined to create an extremely strong and precise fitting bolt. Supplied with X2 bolts and X2 nuts in each set, they are the perfect upgrade for your Beta Evo trial bikes. REAR DOG BONE LINKAGE STAINLESS STEEL BOLT SET X2 OEM UPGRADE BETA EVO 125-300 2T 09-25 250-300 4T 09-25