Progressive Suspension 490 Series Shocks


Part #: N/A Category Tag
  • True sport performance shocks
  • Feature a high-pressure monotube with deflective disc-damping technology, hand threaded pre-load and rebound adjustment
  • Linear rate spring allows riders to fine tune the damping and consistently withstand extreme temperature ranges and heavy loads
  • Engineered jounce bumper and cup also help smooth out and control bottoming
  • Made in the U.S.A
  • All shocks are measured center-of-eyelet to center-of-eyelet
  • A shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering
  • A shock which is slightly shorter than stock may alter the head angle slightly and provide somewhat slower steering
  • For OEM shock lengths, see Quick Reference Guide in the back of the catalog
  • Heavy Duty Applications are recommended for bikes that are operated at or near the manufacturer’s maximum load rating over 50% of the time
  • Before purchasing or attempting to install shocks that are different than the OEM length, confirm that your wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact as well as chain/belt guard or tire contract
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