2025-2026 Honda CRF450R (CRF450RS)

Fork Spring Rate Recommendations

• The 2025-2026 Honda CRF450R stock fork spring rate is 5.0N (0.51kg/mm) with a spring length of 500mm
• The Showa 49mm twin chamber spring fork remains on the CRF450R since 2017.
• The 2025-2026 Honda CRF450R Showa 49mm twin chamber fork features new stock settings compared to the 2024 Honda CRF450R Showa fork.
• The JBI Spring Rate Chart references the rider weight in casual cloths
• Ride JBI has already accounted for the additional weight of riding gear.
• Tap the image below to purchase fork springs for 2025-2026 Honda CRF450R:
  
  

 Weight references person in regular everyday casual cloths.
This chart accounts for the common additional weight of riding gear
This info relates to stock valving and modified valving

Shock Spring Rate Recommendations

• The 2025-2026 Honda CRF450R stock shock spring rate is 52N (5.3kg/mm) with a spring length of 240mm
• The Showa 16mm shock shaft with 50mm main piston remains on the CRF450R since 2017
• For 2025-2026 the Honda CRF Showa shock features new settings and body revision compared to the 2024 Honda CRF450R.
• The JBI Spring Rate Chart refers to the rider weight in casual cloths
• Ride JBI already accounts for the additional weight of riding gear
• Recommended Rider Sag and Spring Preload values
• Riders that are 6ft or taller a Rider Sag range of 100-103mm is recommended with 6-10mm spring preload
• Riders that are 5'11" or shorter a Rider Sag range of 102-105mm is recommended with 6-10mm spring preload
• Tap the image below to purchase a shock spring for the 2025-2026 Honda CRF450R: 
  
  
  
  

Weight references person in regular everyday casual cloths.
This chart accounts for the common additional weight of riding gear
This info relates to stock valving and modified valving