In this video I review the Tiagra 4700 brifter and rear derailleur. I also share a cool little secret that allows you to run a mountain bike cassette with the shifter! Love this content? Help support the channel! : http://bit.ly/2rOITHv Camera Gear used in description below Main Camera: http://amzn.to/2lVTCg0 B-Roll Camera: http://amzn.to/2lVPWe3 Most used lenses: http://amzn.to/2l1V3Kg http://amzn.to/2mB88GN http://amzn.to/2m0Pmw9 Shotgun Mic: http://amzn.to/2leQ4kK Travel / Vlogging Camera: http://amzn.to/2mB0e07 Ride Camera: http://amzn.to/2mAYnbM Interview Mic: http://amzn.to/2l1K044 Wireless Receiver and Transmitter: http://amzn.to/2mAXvUK Tripod: http://amzn.to/2mBidUk Monopod: http://amzn.to/2lKOquK Gimbal: http://amzn.to/2mBeshHThis video is about Ren Cycles