KO PROPO - BSx4S-Grasper STD MAX with selector4S TAM58740 The XR10 PRO Stock Spec

The XR10 PRO Stock Spec 1S ESC is very light at only 28

(16) 5x11x4

How is this possible

This is a replacement body for #160937 or #160938 BMW 2002 Turbo

KO PROPO - BSx4S-Grasper STD MAX with selector4S TAM58740 The XR10 PRO Stock SpecFeatures: Brush less motor Reinforced stainless steel final gear Hard anodized aluminum gear Dual ball bearings Hard servo gear shaft Aluminum top case Aluminum heat sink middle case Black cable Gold plated connector Serial Compatible HCS Compatible Specifications: Torque: 45. 6Kg cm Speed: 0. 12sec 60deg(@7. 4V) Torque: 37. 3Kg cm Speed: 0. 15sec 60deg(@6. 0V) Dimensions: 40. 4x37. 5x20mm (Standard size) Weight: 77. 0g Operating voltage: 6. 0~7. 4V