Fronk Fork Spring Perches Showa 49mm SX (Pair) 111-300-510

Front fork spring perches for Showa 49 mm supercross forks, supplied as a pair, providing adjustable spring preload and improved bottoming resistance for 2025-on applications using a 500 mm fork spring.

Features

• Pair of adjustable front fork spring perches

• Fits Showa 49 mm fork applications

• Designed for supercross (SX) use

• Adjustable spring preload to reduce excessive OEM preload

• Optimised oil flow to improve bottoming resistance for MX and SX use

• Replacement for OEM plastic component

• Coated guide bush to promote smoother fork action

Specifications

• Fork diameter: 49 mm

• Spring length compatibility: 500 mm

• OEM preload reference: 5 mm fully extended

• Material: aluminium

• Guide bush coating: Teflon

Vehicle Fitments

• Honda CRF250R (2025-2026)

• Honda CRF450R (2025-2026)

• Honda CRF450RX (2025-2026)