View By Product Type View By Manufacturer Overstock Sales Closeouts BP 12mm Metal Gearbox BP 20mm Metal Gearbox GWS Gearbox Assemblies Yama Gearbox Assemblies HE 20mm Aluminum Gearbox HE 20mm Aluminum Gearbox With Heat Sink Motor Max Gearboxes Planetary/In-Line Gearboxes Bearings, E-Clips, Screws, Nuts and Washers Gearbox Parts for 1.5mm Motor Shafts Gearbox Parts for 2.0mm Motor Shafts Gearbox Parts for 2.3mm Shafts   Catalog > Electric Motors and Parts > Gearbox Assemblies > HE 20mm Aluminum Gearbox     For more information, click product link below:     (Uncheck "Single Add Mode" to add multiple items to shopping cart in one click)   Price     Shopping Cart         Single Add Mode       Aluminum Gearbox-1 3.50:1 (spur 70T: pinion 20T/2.0mm) (F921-3.50 2.0mm)     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $27.95     Add Item To Cart     Aluminum Gearbox-1 3.70:1 (spur 74T: pinion 20T/2.0mm) (F921-3.70 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 3.80:1 (spur 76T: pinion 20T/2.0mm) (F921-3.80 2.0mm)     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $27.95     Add Item To Cart     Aluminum Gearbox-1 3.89:1 (spur 70T: pinion 18T/2.0mm) (F921-3.89 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 4.00:1 (spur 72T: pinion 18T/2.0mm) (F921-4.00 2.0mm)     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $27.95     Add Item To Cart     Aluminum Gearbox-1 4.11:1 (spur 74T: pinion 18T/2.0mm) (F921-4.11 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 4.22:1 (spur 76T: pinion 18T/2.0mm) (F921-4.22 2.0mm) - OVERSTOCK SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $22.36     Add Item To Cart     Aluminum Gearbox-1 4.25:1 (spur 68T: pinion 16T/2.0mm) (F921-4.25 2.0mm)     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $27.95    Out Of Stock - Notify Me     Aluminum Gearbox-1 4.38:1 (spur 70T: pinion 16T/2.0mm) (F921-4.38 2.0mm)     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $27.95     Add Item To Cart     Aluminum Gearbox-1 4.50:1 (spur 72T: pinion 16T/2.0mm) (F921-4.50 2.0mm)     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $27.95     Add Item To Cart     Aluminum Gearbox-1 4.63:1 (spur 74T: pinion 16T/2.0mm) (F921-4.63 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 4.75:1 (spur 76T: pinion 16T/2.0mm) (F921-4.75 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 5.14:1 (spur 72T: pinion 14T/2.0mm) (F921-5.14 2.0mm)     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $27.95     Add Item To Cart     Aluminum Gearbox-1 5.29:1 (spur 74T: pinion 14T/2.0mm) (F921-5.29 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 5.43:1 (spur 76T: pinion 14T/2.0mm) (F921-5.43 2.0mm) - OVERSTOCK SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 5.67:1 (spur 68T: pinion 12T/2.0mm) (F921-5.67 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 5.83:1 (spur 70T: pinion 12T/2.0mm) (F921-5.83 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 6.00:1 (spur 72T: pinion 12T/2.0mm) (F921-6.00 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 6.17:1 (spur 74T: pinion 12T/2.0mm) (F921-6.17 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 6.80:1 (spur 68T: pinion 10T/2.0mm) (F921-6.80 2.0mm)     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $27.95     Add Item To Cart     Aluminum Gearbox-1 7.00:1 (spur 70T: pinion 10T/2.0mm) (F921-7.00 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Aluminum Gearbox-1 7.20:1 (spur 72T: pinion 10T/2.0mm) (F921-7.20 2.0mm) - CLOSEOUT SALE     For 130 size brushless motors (20mm diameter/16mm screw spacing) with 2.0mm motor shafts. To use with 2.3mm shaft motors, purchase pinion separately.     $14.68     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:10T-2.0mm (F921 pinion 10T/2.0mm)     2.0mm shaft pinion for F921 gearbox       $2.25     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:12T-2.0mm (F921 pinion 12T/2.0mm)     2.0mm shaft pinion for F921 gearbox       $2.25     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:14T-2.0mm (F921 pinion 14T/2.0mm)     2.0mm shaft pinion for F921 gearbox       $2.25     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:16T-2.0mm (F921 pinion 16T/2.0mm)     2.0mm shaft pinion for F921 gearbox       $2.25     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:18T-2.0mm (F921 pinion 18T/2.0mm) - OVERSTOCK SALE     2.0mm shaft pinion for F921 gearbox       $1.80     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:20T-2.0mm (F921 pinion 20T/2.0mm)     2.0mm shaft pinion for F921 gearbox       $2.25     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:10T-2.3mm (F921 pinion 10T/2.3mm) - OVERSTOCK SALE     2.3mm shaft pinion for F921 gearbox       $1.80     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:12T-2.3mm (F921 pinion 12T/2.3mm) - OVERSTOCK SALE     2.3mm shaft pinion for F921 gearbox       $1.80     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:14T-2.3mm (F921 pinion 14T/2.3mm)     2.3mm shaft pinion for F921 gearbox       $2.25     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:16T-2.3mm (F921 pinion 16T/2.3mm)     2.3mm shaft pinion for F921 gearbox       $2.25     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:18T-2.3mm (F921 pinion 18T/2.3mm)     2.3mm shaft pinion for F921 gearbox       $2.25     Add Item To Cart     Pinion gear for Aluminum Gearbox-1:20T-2.3mm (F921 pinion 20T/2.3mm)     2.3mm shaft pinion for F921 gearbox       $2.25     Add Item To Cart       Spur gear for Aluminum Gearbox-1:68T (F921 Spur 68T) - OVERSTOCK SALE       $1.80     Add Item To Cart       Spur gear for Aluminum Gearbox-1:70T (F921 Spur 70T) - OVERSTOCK SALE       $1.80     Add Item To Cart       Spur gear for Aluminum Gearbox-1:72T (F921 Spur 72T)       $2.25     Add Item To Cart       Spur gear for Aluminum Gearbox-1:74T (F921 Spur 74T)       $2.25    Out Of Stock - Notify Me       Spur gear for Aluminum Gearbox-1:76T (F921 Spur 76T)       $2.25     Add Item To Cart       4mm Shaft for Aluminum Gearbox-1 (F921 Prop shaft) - OVERSTOCK SALE       $1.26     Add Item To Cart       Gearbox Lubricant (F491)     For gearbox shaft and gear lubrication       $0.75     Add Item To Cart       P101: Pinion gear for Gear Drives: 10T, 2.3 mm ID (7.2mm OD), Mod 0.6     There are many popular rock crawlers that use this pinion       $3.00     Add Item To Cart       P103: Pinion gear for Gear Drives: 9T, 2.0 mm ID (6.6mm OD), Mod 0.6     There are many popular rock crawlers that use this pinion       $3.00     Add Item To Cart     Total Number Of Items: 43   Prices, product specifications, and product availability are subject to change without notice. © Copyright 1998-2008, 2009 BP Hobbies, LLC. 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