Tekno RC TKR1721 Crankcase ESC Highly regarded as the #1

Highly regarded as the #1 Tool in the RC industry

Adjustable battery straps

1/10-scale rock crawlers

Woodland Scenics JP5632 HO Scale Double Lamp Post Street Lights

Tekno RC TKR1721 Crankcase ESC Highly regarded as the #1Tekno RC TKR1721 Crankcase (21aM aP) Product Description: The TKR1721 is a replacement crankcase for Tekno RC's Blok . 21 competition nitro engines, compatible with the 21aM and 21aP power plants. The crankcase is the main engine housing that carries the crankshaft, bearings, and sleeve, so this is the part to reach for after a catastrophic engine failure or when rebuilding a worn or damaged case. Features: Direct replacement crankcase for Blok 21aM