KroozR Showa TAC Air Fork to Coil Spring Separate Function Fork Conversion Kit for 2015 Honda CRF250R (Not 450)

The Spring Conversion Kit is a complete replacement cartridge assembly for your current TAC Air Fork setup. It is designed to completely remove all the pneumatic system from your current Showa Motorcycle Forks and replace it with a traditional preload adjustable steel coil spring and cartridge setup - compression damping in one leg and rebound damping in the other.

Parts included in the kit:

  • Complete Cartridge Assemblies
  • Alloy Bottoming Cone and Acetal Spring Seat
  • Optional Eibach or Teknik Coil Springs (to suit rider weight)
  • Installation Instructions
  • Decal Set

Key Features:

  • Never have to set your air pressure ever again
  • Super easy install - undo top cap then drain oil completely and remove base bolt. The kit slides in as a complete replacement supplied with spring installed all ready to go!
  • Much more reliable fork
  • No fade out or pump up in pressure over long motos
  • A constant feel in your front end that is more consistent throughout the ride
  • Spring pre-load adjustable - minimal tools are required for fitment. If you have the fork cap and basic tools to remove the standard OEM air cartridge you will have the ability to fit up our kit
  • Spring fork cartridge kit is made from high grade 6061 aircraft-grade aluminium alloy with chrome moly rods and anodised for a factory finish
  • User manual included

Spring Rate Recommendation

General Riding & Motocross Applications

These recommendations are a guide only as fork Springs are weight and speed dependent. For example a 72 kg Pro rider falls into the 0.92kg/mm category but may well be better suited to a 0.96kg spring due to the much higher corner entry speed and the ability to hit large bumps at high speeds. Please note this guide is for rider weight without gear.

Also note we have had great results using one spring down for Veteran / C level riders on 450cc machines. E.g. - 90kg rider running a 0.96kg/mm spring for a plusher ride.

For more accurate advice please contact us.

250cc Four Strokes and Two Strokes

KG LBS Basic Spring Rate Pro or A-Grade Rate
< 60 < 130 0.80 kg/mm 0.84 kg/mm
60 - 65 130 - 140 0.84 kg/mm 0.88 kg/mm
65 - 75 140 - 165 0.88 kg/mm 0.92 kg/mm
75 - 85 165 - 185 0.92 kg/mm 0.96 kg/mm
85 - 95 185 - 205 0.96 kg/mm 1.00 kg/mm
95 - 100 205 - 220 1.00 kg/mm 1.04 kg/mm
100 - 110 220 - 240 1.04 kg/mm 1.08 kg/mm
110+ 240+ 1.08 kg/mm 1.08 kg/mm

450cc Four Strokes

KG LBS Basic Spring Rate Pro or A-Grade Rate
< 60 < 130 0.84 kg/mm 0.84 kg/mm
60 - 65 130 - 140 0.88 kg/mm 0.88 kg/mm
65 - 75 140 - 165 0.92 kg/mm 0.96 kg/mm
75 - 85 165 - 185 0.96 kg/mm 0.98 kg/mm
85 - 95 185 - 205 1.00 kg/mm 1.04 kg/mm
95 - 100 205 - 220 1.04 kg/mm 1.04 kg/mm
100 - 110 220 - 240 1.04 kg/mm 1.08 kg/mm
110+ 240+ 1.08 kg/mm 1.08 kg/mm
SKU KT-TACSPGKIT-CRF1
Brand Krooztune
Shipping Weight 2.0000kg
Shipping Size 0.050 x 0.050 x 0.050m
Unit Of Measure ea
Type Air to Spring
See our Shipping Information See our Frequently Asked Questions

If your Motorcycle is listed below, this product will suit:

spring rate None

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