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2025-2026 Honda CRF450R
2025-2026 Honda CRF450R Fork Spring Rate Chart
2025-2026 Honda CRF450R Shock Spring Rate Chart
2025-2026 Honda CRF450R
2025-2026 Honda CRF450R Fork Spring Rate Chart
2025-2026 Honda CRF450R Shock Spring Rate Chart

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2025-2026 Honda CRF450R

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Description  

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:

    showa-500mm-fork-spring-ad.png

 

2025-crf450r-fork-spring-rate-chart.png

Motocross
120lbs-135lbs 4.7N
135lbs-155lbs 4.8N
155lbs-170lbs 4.9N
170lbs-185lbs 5.0N (Stock)
185lbs-200lbs 5.1N
200lbs-215lbs 5.2N
215lbs-230lbs 5.3N
230lbs-245lbs 5.4N
245lbs-275lbs 5.4N		 Soft Moto / Open Desert
120lbs-135lbs 4.6N
135lbs-155lbs 4.7N
155lbs-170lbs 4.8N
170lbs-185lbs 4.9N
185lbs-200lbs 5.0N (Stock)
200lbs-215lbs 5.1N
215lbs-230lbs 5.2N
230lbs-245lbs 5.3N
245lbs-275lbs 5.3N
Flowy Single Track (Fast & Slow)
120lbs-135lbs 4.5N
135lbs-155lbs 4.6N
155lbs-170lbs 4.7N
170lbs-185lbs 4.8N
185lbs-200lbs 4.9N
200lbs-215lbs 5.0N (Stock)
215lbs-230lbs 5.1N
230lbs-245lbs 5.2N
245lbs-275lbs 5.3N

Technical Single Track & Hard Enduro
120lbs-135lbs 4.4N
135lbs-155lbs 4.5N
155lbs-170lbs 4.6N
170lbs-185lbs 4.7N
185lbs-200lbs 4.8N
200lbs-215lbs 4.9N
215lbs-230lbs 5.0N (Stock)
230lbs-245lbs 5.1N
245lbs-275lbs 5.2N

 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: 

    showa-shock-spring-ad.png

2025-crf450r-shock-spring-rate-chart.png

Motocross
120lbs-135lbs 50N
135lbs-155lbs 51N
155lbs-170lbs 52N (Stock)
170lbs-185lbs 54N
185lbs-200lbs 56N
200lbs-215lbs 57N
215lbs-230lbs 58N
230lbs-245lbs 60N
245lbs-275lbs 62N		 Soft Moto / Open Desert
120lbs-135lbs 50N
135lbs-155lbs 51N
155lbs-170lbs 52N (Stock)
170lbs-185lbs 54N
185lbs-200lbs 56N
200lbs-215lbs 57N
215lbs-230lbs 58N
230lbs-245lbs 60N
245lbs-275lbs 62N

Flowy Single Track (Fast & Slow)
120lbs-135lbs 48N
135lbs-155lbs 50N
155lbs-170lbs 51N
170lbs-185lbs 52N (Stock)
185lbs-200lbs 54N
200lbs-215lbs 56N
215lbs-230lbs 57N
230lbs-245lbs 58N
245lbs-275lbs 60N

 Technical Single Track & Hard Enduro
120lbs-135lbs 48N
135lbs-155lbs 50N
155lbs-170lbs 51N
170lbs-185lbs 52N (Stock)
185lbs-200lbs 54N
200lbs-215lbs 56N
215lbs-230lbs 57N
230lbs-245lbs 58N
245lbs-275lbs 60N

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

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