Belt Drives Ltd.
BDL, ''balls'' clutch pressure plate. For Primo belt drives
BDL, ''balls'' clutch pressure plate. For Primo belt drives
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Can be retro-fitted to all Primo belt drives with a diaphragm spring. This BDL kit replaces the pressure plate and diaphragm but uses the Primo retainer and bolts. Patent pending internal lock-up clutch design from BDL. Works with steel balls that apply pressure under centrifugal forces. Amongst others all BDL 2" Signature Series belt drive kits come equipped with this clutch. Note: Fits all Primo belt drives with diaphragm spring operated clutch. This BDL kit replaces the pressure plate and diaphragm but uses the Primo retainer and bolts.
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Why buy from Forty5°
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Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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Founder-led aftersales
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