LEGO Technic BMW M 1000 RR 42130 Motorcycle Model Kit for Adults, Build and Display Motorcycle Set with Authentic Features, Motorcycle Gift Idea - Walmart.com
LEGO part 4865pb048 - Black Panel 1 x 2 x 1 with Two Gauges and 'km/h' and ' RPM' Pattern (Sticker) - Set 8422 at BrickScout
Programmable DC Motor Building Block 70 RPM - CasterBot
LEGO plate - 45 rpm Record Adapter (open and closed version) - Lego compatible by Hisfantor | Download free STL model | Printables.com
LEGO Motors chart - comparison based on torque, speed and mechanical power. | Lego nxt, Lego gears, Lego mindstorms