Honda motorcycle parts
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1984 Honda CB450SC Nighthawk · Custom Shock Mount Selection Buying guide
The eye-to-clevis listings specify a 12 mm ID x 21 mm upper bushing; the eye-to-eye design specifies 10 mm ID x 21 mm bushings at both ends. All three describe shorter custom shocks with five-position preload. No original CB450SC shock length or assured lowering amount is established here.
Black shrouded eye-to-clevis set290 mm eye-to-clevis with 12 mm ID x 21 mm upper bushings; supplied shock count is not stated.View part
Chrome shrouded eye-to-clevis pairTwo shocks supplied; 290 mm eye-to-clevis, chrome body and springs, and five preload positions.View part
Black eye-to-eye pairTwo shocks with 10 mm ID x 21 mm bushings at both ends; requires a compatible lower-eye mount.View part
A matching nominal length cannot adapt a lower eye to a required clevis. The detailed specifications establish each mount class and its bushing sizes. The black shrouded set has no published supplied count, while the chrome and black eye-to-eye listings expressly supply two shocks.
The chrome and eye-to-eye listings call for checking mount width, travel and clearance around the spring, tire, fender, chain and exhaust, plus the side-stand angle. Their FAQs also call for matching preload positions on both shocks. These checks do not establish a factory-height replacement.
Identify the lower attachment first. Eye-to-clevis shocks specify a 12 mm ID x 21 mm upper bushing and need a compatible clevis arrangement. The eye-to-eye pair uses 10 mm ID x 21 mm bushings at both mounting eyes.
The chrome listing explicitly includes two rear shocks. The black shrouded listing describes a set but does not state its supplied count. Confirm that count before budgeting a full replacement, rather than carrying the chrome package quantity into the black listing.
The detailed listings identify mounting width, suspension travel, spring clearance, tire-to-fender clearance, chain angle, exhaust clearance and side-stand angle as checks. Compare those requirements on the proposed build; the shared 290 mm measurement alone cannot establish suitability or a lowering amount.
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