How do the Petzl Nano Traxion and the Petzl Micro Traxion compare?

Diameter at center of rope groove
Micro Traxion: 27 mm (2.7 times a 10mm rope)
Nano Traxion: 18.05 mm (1.8 times a 10mm rope = much more friction!!)

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Petzl Nano Traxion for sale (3 links):
https://www.mapleleafropes.com/store/...
https://www.mapleleafropes.com/store/...
https://verticallstore.com/products/n...
Petzl Micro Traxion for sale (2 links):
https://www.mapleleafropes.com/store/...
https://verticallstore.com/products/m...

Find my Rope Solo online courses here:
https://blissclimbing.com/en/online-c...

0:00 Introduction
0:46 Weight
1:54 Size of pulley
4:11 Strength / rating
4:56 Rope size compatibility
5:53 Width
6:41 Toothed cam / spring strength
8:31 Friction in device
9:28 Effect of the carabiner / connector choice
11:57 Device keeper cord
12:18 Nano for Top Rope Solo (TRS)
12:49 Another advantage of the Sm'D carabiner: width
13:15 Deactivation of the progress capture
13:47 How it influences Top Rope Solo (TRS)
14:24 Rappel with device on the rope
16:08 Use for hauling on big walls
16:53 Conclusion