This is whats currently on the ROAR list for 21.5 motors
Stock/ 21.5 Spec Schuur Speed Schuur Speed 540215 21.5T 51.2 February 28, 2012
Stock/ 21.5 Spec Tekin Tekin TT24093 Gen2 21.5T n/a October 1, 2012
Stock/ 21.5 Spec Tekin Tekin TT2402 Gen2 21.5 T RPM n/a October 1, 2012
Stock/21.5 Spec Hobbywing Hobbywing Blue=90040150 XeRUN 52.4 May 1, 2011
Stock/21.5 Spec Hobbywing Hobbywing Grey=90040151 XeRUN 52.4 May 1, 2011
Stock/21.5 Spec Horizon Hobby Dynamite DYNP1021 Quantex 21.T 50.0 February 10, 2012
Stock/21.5 Spec Horizon Hobby Team Orion ORI28237 Vortex VST Pro Stock 21.5 52.2 October 21, 2011
Stock/21.5 Spec Novak Novak 3421SS Pro 21.5T 52.7 February 19, 2009
Stock/21.5 Spec Novak Novak Ballistic 3621 54.0 July 16, 2009
Stock/21.5 Spec Reedy Reedy 940 Sonic 51.0 June 28, 2011
Stock/21.5 Spec Rocket RC Speed Shop Team Powers TP-BLM-215100PL Plutonium 13.5T 52.5 March 2, 2012
Stock/21.5 Spec Schumacher USA Speed Passion Speed Passion Competition V3 SP 138215V3 21.5T 51.0 August 2, 2015
Stock/21.5 Spec Speed Passion USA Speed Passion SP000040 Competition V3.0 MMM 48.5 June 27, 2011
Stock/21.5 Spec Speed Passion USA Speed Passion SP Competition V3.0 1 cell p/n 1C215V3 50.5 November 27, 2010
Stock/21.5 Spec Team Epic/Trinity Team Epic Triniyy D3 21.5 TEP 1057 Purple Capped Rotor 53 October 5, 2010
Stock/21.5 Spec Team Epic/Trinity Trinity TRI 10415 Pulse 21.5T 55 November 14, 2008
Stock/21.5 Spec Tekin Tekin Redline 21.5 P/N TT2250 49.5 February 21, 2009
Stock/21.5 Spec Thunder Power RC Thunder Power Z3R-S21.5 p/n TPM-540A215 52.0 November 27, 2010
Stock/21.5 Spec Viper RC Solutions Viper RC Solutions Viper VST 21.5T (PN8VST215001) 54.0 November 27, 2010