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Top 10 Belt Drives Ltd. products – best-selling models in 2026!
Ranking updated: 1 February 2026'
Discover Belt Drives Ltd.’s best-selling products. Top 10 hits loved by motorcyclists – see which models are number one in 2025!
Top 10 products
- PULLEY 47 TOOTH FRONT ENGINE SHAFT SPLINE 3'' 8M
- TRANSMISSION PULLEY 31 TOOTH
- TRANSMISSION PULLEY 32 TOOTH
- TRANSMISSION PULLEY 33 TOOTH
- PULLEY 48 TOOTH FRONT ENGINE SHAFT SPLINE 1-5/8'' 8M
- PULLEY 45 TOOTH FRONT ENGINE SHAFT SPLINE
- OFFSET FRONT PULLEY FOR SPACER INSERT 47 TOOTH 3'' 8M
- OFFSET FRONT PULLEY FOR SPACER INSERT 48 TOOTH 3'' 8M
- REPLACEMENT PRIMARY BELT 130 TOOTH 1-5/8'' 8M
- Primo Drive Belt
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1. PULLEY 47 TOOTH FRONT ENGINE SHAFT SPLINE 3'' 8M
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General description
Precision machined out of aluminum and then hard anodized
Made in U.S.A.
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2. TRANSMISSION PULLEY 31 TOOTH
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General description
Made from 6061 T-6 aluminum, then hard anodized for durability
One-third the weight of stock pulleys
All 85-06 Big Twin pulleys come with a spacer for use on 85-93 models
When using a larger or smaller pulley, change in belt length and modifications to the axle adjustment slots may be required
Made in the U.S.A.
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3. TRANSMISSION PULLEY 32 TOOTH
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General description
Made from 6061 T-6 aluminum, then hard anodized for durability
One-third the weight of stock pulleys
All 85-06 Big Twin pulleys come with a spacer for use on 85-93 models
When using a larger or smaller pulley, change in belt length and modifications to the axle adjustment slots may be required
Made in the U.S.A.
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4. TRANSMISSION PULLEY 33 TOOTH
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General description
Made from 6061 T-6 aluminum, then hard anodized for durability
One-third the weight of stock pulleys
All 85-06 Big Twin pulleys come with a spacer for use on 85-93 models
When using a larger or smaller pulley, change in belt length and modifications to the axle adjustment slots may be required
Made in the U.S.A.
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5. PULLEY 48 TOOTH FRONT ENGINE SHAFT SPLINE 1-5/8'' 8M
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General description
Precision machined out of aluminum and then hard anodized
Made in U.S.A.
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6. PULLEY 45 TOOTH FRONT ENGINE SHAFT SPLINE
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General description
Precision machined out of aluminum and then hard anodized
Made in U.S.A.
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7. OFFSET FRONT PULLEY FOR SPACER INSERT 47 TOOTH 3'' 8M
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General description
Precision machined out of aluminum and then hard anodized
Made in the U.S.A.
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8. OFFSET FRONT PULLEY FOR SPACER INSERT 48 TOOTH 3'' 8M
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General description
Used to offset motor pulley for belt alignment
For 3" systems
Spacer inserts not included
Made in the U.S.A.
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9. REPLACEMENT PRIMARY BELT 130 TOOTH 1-5/8'' 8M
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General description
For BDL primary drives
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10. Primo Drive Belt
