91T Spur Gear Slipper Clutch 17T 19T 21T Gear Set for Arrma 1/10 Senton Granite Big Rock Vorteks Up FG05 Fits: Arrma 1/10 Senton Granite Big Rock Vorteks Long-lasting Performance: Made of metal with tough molded composite material for durable performance. Precision-manufactured gear teeth ensure consistent operation. High Precision: Gear set features precision-cut teeth for reliable performance and smooth, low-noise operation. Multiple Gear Options: Includes 17T, 19T, and 21T pinion gears to allow customization of gear ratio for optimized speed and performance. Material: Metal Color: Light Blue Package Contents: 1 x Clutch Gear 1 x 17T Pinion Gear 1 x 19T Pinion Gear 1 x 21T Pinion Gear Note: This package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.