Belt Drives Ltd.
Belt Drive LTD (BDL) is a leading manufacturer of high-performance primary and secondary belt drive systems for Harley-Davidson and custom motorcycles. With durable drive belts, precision-machined pulleys and dependable clutch components, Belt Drive delivers smooth power transfer and long-lasting reliability. Riders choose BDL for its engineering strength, heavy-torque durability and proven performance across street and custom builds.
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V-Twin - 20-0933 - 66 Tooth BDL Starter Ring Gear 8mm and 11mm
Belt Drives Ltd.
MSRP: $121.91$106.11V-Twin - 20-0933 - 66 Tooth BDL Starter Ring Gear 8mm and 11mm Description BDL 8mm and 11mm belt drive clutch hub starter ring gear is 66 tooth with an inner diameter of 7-3/8" and a 6-bolt pattern...MSRP: $121.91$106.11 -
V-Twin - 20-0930 - BDL Belt Drive Rear Hub Splined
Belt Drives Ltd.
MSRP: $182.71$161.15V-Twin - 20-0930 - BDL Belt Drive Rear Hub Splined Description BDL belt drive 3" rear splined hub. Fits: Replacement application for BDL belt drive Additional Information UOM 1 -...MSRP: $182.71$161.15 -
V-Twin - 20-0929 - BDL Belt Drive Round Dog Set
Belt Drives Ltd.
MSRP: $76.55$60.62V-Twin - 20-0929 - BDL Belt Drive Round Dog Set Description BDL belt drive rear pulley round dog set for 4-speed models. Fits: Replacement application for 4-speed BDL belt drive Additional...MSRP: $76.55$60.62 -
V-Twin - 20-0928 - BDL Belt Drive Round Dog Set
Belt Drives Ltd.
MSRP: $80.00$63.36V-Twin - 20-0928 - BDL Belt Drive Round Dog Set Description BDL belt drive rear pulley round dog set without spring for 5-speed models. Fits: Replacement application for 5-speed BDL belt...MSRP: $80.00$63.36 -
V-Twin - 20-0927 - BDL Belt Drive Front Engine Nut
Belt Drives Ltd.
MSRP: $29.04$22.35V-Twin - 20-0927 - BDL Belt Drive Front Engine Nut Description Front engine nut for BDL belt drive. Fits: Replacement application for BDL belt drive Additional Information UOM 1 -...MSRP: $29.04$22.35 -
V-Twin - 20-0926 - BDL Front Pulley Outer Belt Guide
Belt Drives Ltd.
MSRP: $36.36$27.00V-Twin - 20-0926 - BDL Front Pulley Outer Belt Guide Description BDL front pulley outer belt guide for belt drive. Fits: Replacement application for BDL belt drive Additional...MSRP: $36.36$27.00 -
V-Twin - 20-0925 - BDL Front Pulley Inner Belt Guide
Belt Drives Ltd.
MSRP: $37.27$27.67V-Twin - 20-0925 - BDL Front Pulley Inner Belt Guide Description BDL front pulley inner belt guide for belt drive. Fits: Replacement application for BDL belt drive Additional...MSRP: $37.27$27.67 -
V-Twin - 20-0922 - BDL 11mm Belt Drive Rear Pulley
Belt Drives Ltd.
MSRP: $441.45$409.31V-Twin - 20-0922 - BDL 11mm Belt Drive Rear Pulley Description BDL 11mm belt drive replacement rear pulley will accept a 1-1/2" belt and is for kick and electric start model belt drives.The pulley...MSRP: $441.45$409.31 -
V-Twin - 20-0921 - BDL 11mm Belt Drive Rear Pulley
Belt Drives Ltd.
MSRP: $387.16$355.26V-Twin - 20-0921 - BDL 11mm Belt Drive Rear Pulley Description BDL 11mm belt drive rear pulley will accept a 1-1/2" belt and is for kick starter models. Fits: Replacement application for BDL...MSRP: $387.16$355.26 -
Out of stock
V-Twin - 20-0919 - BDL 8mm Belt Drive Rear Pulley
Belt Drives Ltd.
MSRP: $387.76$355.80V-Twin - 20-0919 - BDL 8mm Belt Drive Rear Pulley Description BDL 8mm belt drive rear pulley will accept a 1-1/2" belt and is for kick starter models.Pulley features 62 teeth. ...MSRP: $387.76$355.80 -
V-Twin - 20-0918 - BDL 8mm Belt Drive Rear Pulley
Belt Drives Ltd.
MSRP: $519.08$481.29V-Twin - 20-0918 - BDL 8mm Belt Drive Rear Pulley Description BDL 8mm belt drive rear pulley will accept a 1-1/2" belt and is 61 tooth for electric start models. Fits: Replacement application...MSRP: $519.08$481.29 -
V-Twin - 20-0911 - BDL 8mm Belt Drive Front Pulley
Belt Drives Ltd.
MSRP: $269.29$237.51V-Twin - 20-0911 - BDL 8mm Belt Drive Front Pulley Description BDL 8mm belt drive front pulley will accept a 2" belt. Fits: Replacement application for BDL belt drive, open...MSRP: $269.29$237.51 -
V-Twin - 20-0909 - BDL 11mm Belt Drive Front Pulley
Belt Drives Ltd.
MSRP: $192.77$170.02V-Twin - 20-0909 - BDL 11mm Belt Drive Front Pulley Description BDL 11mm belt drive 31 tooth front pulley for splined shaft will accept a 1-1/2" belt. Fits: Replacement application for BDL...MSRP: $192.77$170.02 -
V-Twin - 20-0908 - BDL 11mm Belt Drive Front Pulley
Belt Drives Ltd.
MSRP: $192.77$170.02V-Twin - 20-0908 - BDL 11mm Belt Drive Front Pulley Description BDL 11mm belt drive 31 tooth front pulley will accept a 1-1/2" belt. Fits: Replacement application for BDL belt drive, kickstart...MSRP: $192.77$170.02 -
V-Twin - 20-0907 - BDL 8mm Belt Drive Front Pulley
Belt Drives Ltd.
MSRP: $192.77$170.02V-Twin - 20-0907 - BDL 8mm Belt Drive Front Pulley Description BDL 8mm belt drive 40 tooth splined front pulley will accept a 1-1/2" belt. Fits: Replacement application for BDL belt drive,...MSRP: $192.77$170.02 -
V-Twin - 20-0906 - BDL 8mm Belt Drive Front Pulley
Belt Drives Ltd.
MSRP: $192.77$170.02V-Twin - 20-0906 - BDL 8mm Belt Drive Front Pulley Description BDL 8mm belt drive 39 tooth front pulley will accept a 1-1/2" belt.Pulley is splined with 10 splines. Fits: Replacement...MSRP: $192.77$170.02 -
V-Twin - 20-0905 - BDL 8mm Belt Drive Front Pulley
Belt Drives Ltd.
MSRP: $192.77$170.02V-Twin - 20-0905 - BDL 8mm Belt Drive Front Pulley Description BDL 8mm belt drive 39 tooth front pulley will accept a 1-1/2" belt. Tapered style with key way.Pulley is splined. ...MSRP: $192.77$170.02 -
V-Twin - 20-0904 - BDL 8mm Belt Drive Front Pulley
Belt Drives Ltd.
MSRP: $192.77$170.02V-Twin - 20-0904 - BDL 8mm Belt Drive Front Pulley Description BDL 8mm belt drive 41 tooth splined front pulley will accept a 1-1/2" belt. Fits: Replacement application for BDL belt drive,...MSRP: $192.77$170.02 -
V-Twin - 20-0903 - BDL 8mm Belt Drive Front Pulley
Belt Drives Ltd.
MSRP: $288.51$264.74V-Twin - 20-0903 - BDL 8mm Belt Drive Front Pulley Description BDL 8mm belt drive 45 tooth front pulley for chain drive. Fits: Replacement application for BDL electric start belt...MSRP: $288.51$264.74 -
V-Twin - 20-0902 - BDL 8mm Belt Drive Front Pulley
Belt Drives Ltd.
MSRP: $289.05$265.23V-Twin - 20-0902 - BDL 8mm Belt Drive Front Pulley Description BDL 8mm belt drive 45 tooth front pulley. Fits: Replacement application for BDL belt drive Additional...MSRP: $289.05$265.23 -
V-Twin - 20-0900 - BDL 8mm Belt Drive Front Pulley
Belt Drives Ltd.
MSRP: $207.86$183.33V-Twin - 20-0900 - BDL 8mm Belt Drive Front Pulley Description BDL 8mm belt drive front pulley will accept a 3" belt, 47 tooth. Fits: Replacement application for BDL belt drive Additional...MSRP: $207.86$183.33 -
V-Twin - 20-0788 - BDL Rear Belt 1 inch Wide 137 Tooth
Belt Drives Ltd.
MSRP: $379.65$348.36V-Twin - 20-0788 - BDL Rear Belt 1 inch Wide 137 Tooth Description BDL 137 tooth rear belt is 1" wide for rigid frames. Fits: XL 2007-2023 Additional Information OEM No...MSRP: $379.65$348.36 -
V-Twin - 20-0787 - 20mm BDL Rear Belt 133 Tooth
Belt Drives Ltd.
MSRP: $239.29$211.05V-Twin - 20-0787 - 20mm BDL Rear Belt 133 Tooth Description BDL 20mm rear belt is 133 tooth. Fits: FXST 2007-UP Additional Information OEM No. 40073-07 UOM 1 -...MSRP: $239.29$211.05 -
V-Twin - 20-0786 - 20mm Rear Belt 135 Tooth
Belt Drives Ltd.
MSRP: $196.43$173.25V-Twin - 20-0786 - 20mm Rear Belt 135 Tooth Description 20mm rear belt is 135 tooth. Fits: FXST 2006-UP Additional Information OEM No. 40655-06 UOM 1 -...MSRP: $196.43$173.25 -
V-Twin - 20-0708 - BDL Front Pulley 34 Tooth
Belt Drives Ltd.
MSRP: $214.14$188.87V-Twin - 20-0708 - BDL Front Pulley 34 Tooth Description BDL alloy 34 tooth front pulley with a alloy center is 1/3" lighter than stock and includes nut, lock plate and screws.The outer diameter of...MSRP: $214.14$188.87 -
V-Twin - 20-0707 - BDL Front Pulley 33 Tooth
Belt Drives Ltd.
MSRP: $213.57$188.37V-Twin - 20-0707 - BDL Front Pulley 33 Tooth Description BDL front pulley, 33 tooth is 1/3" lighter than stock and includes nut, lock plate and screws Fits: FXD 1991-2005 FLST 1986-2006 FXST...MSRP: $213.57$188.37 -
V-Twin - 20-0705 - BDL Front Pulley 31 Tooth
Belt Drives Ltd.
MSRP: $213.57$188.37V-Twin - 20-0705 - BDL Front Pulley 31 Tooth Description BDL alloy 31 tooth front pulley with a alloy center is 1/3" lighter than stock and includes nut, lock plate and screws. Fits: FXD...MSRP: $213.57$188.37 -
V-Twin - 20-0704 - BDL Front Pulley 30 Tooth
Belt Drives Ltd.
MSRP: $213.57$188.37V-Twin - 20-0704 - BDL Front Pulley 30 Tooth Description BDL front pulley, alloy 30 tooth with a alloy center is 1/3" lighter than stock and includes nut, lock plate and screws. Fits: FXD...MSRP: $213.57$188.37 -
V-Twin - 20-0703 - BDL Front Pulley 29 Tooth
Belt Drives Ltd.
MSRP: $274.23$251.63V-Twin - 20-0703 - BDL Front Pulley 29 Tooth Description BDL front pulley, 29 tooth is 1/3" lighter than stock and includes nut, lock plate and screws. Fits: FXD 1991-2005 FXR 1984-2006 FLST...MSRP: $274.23$251.63 -
V-Twin - 20-0688 - 1-1/8 inch Rear Belt 137 Tooth
Belt Drives Ltd.
MSRP: $236.43$208.53V-Twin - 20-0688 - 1-1/8 inch Rear Belt 137 Tooth Description 1-1/8" rear belt is 137 tooth. Fits: XL 2004-2006 1200 Additional Information OEM No. 40571-04B UOM 1 -...MSRP: $236.43$208.53 -
V-Twin - 20-0668 - 1-1/8 inch BDL Rear Belt 139 Tooth
Belt Drives Ltd.
MSRP: $247.86$218.61V-Twin - 20-0668 - 1-1/8 inch BDL Rear Belt 139 Tooth Description BDL 1-1/8" rear belt is 139 tooth. Fits: FLT 2004-UP Additional Information OEM No. 40024-04 UOM 1 -...MSRP: $247.86$218.61 -
V-Twin - 20-0661 - BDL Front Pulley 32 Tooth
Belt Drives Ltd.
MSRP: $213.57$188.37V-Twin - 20-0661 - BDL Front Pulley 32 Tooth Description BDL final drive alloy 32 tooth front pulley with a alloy center is 1/3" lighter than stock and includes nut, lock plate and screws. ...MSRP: $213.57$188.37 -
V-Twin - 20-0652 - BDL Front Pulley 30 Tooth
Belt Drives Ltd.
MSRP: $213.57$188.37V-Twin - 20-0652 - BDL Front Pulley 30 Tooth Description BDL final drive front pulley, 30 tooth is 1/3" lighter than stock and includes spacer, seal, lock plate and screws. Fits: XL 1991-2003...MSRP: $213.57$188.37 -
V-Twin - 20-0651 - BDL Front Pulley 29 Tooth
Belt Drives Ltd.
MSRP: $213.57$188.37V-Twin - 20-0651 - BDL Front Pulley 29 Tooth Description BDL final drive front pulley, alloy 29 tooth with alloy center. Includes spacer, seal, lock plate, screws, and plastic caps.Pulley is about...MSRP: $213.57$188.37 -
V-Twin - 20-0650 - BDL Front Pulley 28 Tooth
Belt Drives Ltd.
MSRP: $213.57$188.37V-Twin - 20-0650 - BDL Front Pulley 28 Tooth Description BDL final drive front pulley, alloy 28 tooth with a alloy center is 1/3" lighter than stock and includes spacer, seal lock plate and screws...MSRP: $213.57$188.37 -
V-Twin - 20-0633 - BDL Belt Drive Kit 11mm
Belt Drives Ltd.
MSRP: $638.13$602.39V-Twin - 20-0633 - BDL Belt Drive Kit 11mm Description Kit includes a 1-1/2" belt, front and rear pulley, and idler bearing assembly.For use on kick or electric start models with an open primary...MSRP: $638.13$602.39 -
V-Twin - 20-0630 - BDL 8mm Replacement Belt 138 Tooth
Belt Drives Ltd.
MSRP: $149.86$132.17V-Twin - 20-0630 - BDL 8mm Replacement Belt 138 Tooth Description BDL 8mm replacement belt is 138 tooth x 41mm. Fits: Replacement application for 8mm BDL belt drive Additional...MSRP: $149.86$132.17 -
V-Twin - 20-0629 - BDL Belt Drive Kit 8mm
Belt Drives Ltd.
MSRP: $912.73$904.69V-Twin - 20-0629 - BDL Belt Drive Kit 8mm Description BDL 8mm x 42mm electric start belt drive includes a polished pressure plate, Kevlar clutch, sealed inner primary bearing .Features a shorter...MSRP: $912.73$904.69 -
V-Twin - 20-0628 - BDL Competitor Clutch Kit
Belt Drives Ltd.
MSRP: $490.13$454.45V-Twin - 20-0628 - BDL Competitor Clutch Kit Description Kit features 9 springs and shoulder bolts for simple adjustment, large 40mm double row hub bearing, polished pressure plate, and Kevlar...MSRP: $490.13$454.45 -
V-Twin - 20-0627 - BDL Competitor Clutch Kit
Belt Drives Ltd.
MSRP: $629.04$606.26V-Twin - 20-0627 - BDL Competitor Clutch Kit Description Kit features 9 springs and shoulder bolts for simple adjustment, large 40mm double row hub bearing, polished pressure plate, and Kevlar...MSRP: $629.04$606.26
BDL Belt Drives – High-Performance Harley-Davidson Belts, Pulleys & Clutch Components
Belt Drive LTD (BDL) is recognized as one of the most trusted names in Harley-Davidson and custom motorcycle drivetrain components. Their belt drive systems are engineered for smoother engagement, reduced vibration and superior longevity, making them a top upgrade for riders seeking improved power delivery and drivetrain efficiency. From primary drive conversions to replacement rear belts, every BDL component is designed to withstand demanding riding conditions while maintaining reliable performance.
Belt Drive lineup includes heavy-duty rear belts, precision-machined billet pulleys and high-torque replacement belts built to handle aggressive acceleration without sacrificing flexibility. Popular upgrades such as BDL Compensator Sprocket Kits and Competitor Clutch Kits offer enhanced throttle response, stronger engagement and consistent power transfer for both daily riders and high-performance builds. Additional accessories including billet flange spacers, starter ring gears and inner primary bearings help maintain proper alignment, smooth operation and drivetrain stability.
Trusted by riders, mechanics and custom builders worldwide, BDL continues to lead the industry with durable, high-quality drive components and Harley-Davidson-specific solutions. Whether upgrading a stock system or assembling a full custom drivetrain, Belt Drive delivers the strength, precision and dependability needed for smooth, long-lasting performance.