Question 1

I can use it as rear tube less tire?

Accepted Answer

The tire fits a 21 inch rim and is only a couple inches wide. 1. You don't have a 21 inch rear rim 2. If you're asking this please stay off motorcycles.

Question 2

I'm trying to find the night dragon front tire 130/90 b16 73h reinforced, also, the night dragon gt 180/60 r16 80h.  do you have these?

Accepted Answer

If not listed they do not have them. Contact Pirelli directly to get what you are looking for. You will have to have patience though as their return on e-mails can be quite lengthy based on how much they have to sift through.

Question 3

Bias ply or radial?

Accepted Answer

Simple Answer is Bias Ply or Bias Belted
It looks like that one is a Bias Ply according to any thing I could find

If you want to ask Pirelli themselves you could send them a message at
https://www.pirelli.com/tyres/en-ww/contact-us

Pirrelli dot com:  https://www.pirelli.com/tyres/en-ww/motorcycle/all-tyres/sheet/night-dragon
On the page is a chart to click on what tires say what for why.
It Looks like this
All about Tyres           >
Radial Carcass           >
Radial Cross Belted    >
Bias Belted                  >
Cross Ply                     >
Technical Data Book  >
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From Wikipedia :  https://www.tirebuyer.com/education/understanding-tire-sizes-and-types
This code specifies the dimensions of the tire, and some of its key limitations, such as load-bearing ability,

and maximum speed. Sometimes the inner sidewall contains information not included on the outer sidewall,

and vice versa.
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Look under (More info included in the tire size) for radial / bias-ply Info
If there's a D instead of an R, the tire has a bias ply construction -  In belted tires (marked as B)
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Another source you may want to look into is :  
https://rideapart.com/articles/motorcycle-tire-question-radial-bias
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Question 4

What's the difference between the m/c and the m/ctl?

Accepted Answer

Nothing. Just designating that it's a motorcycle tire.

ASIN	B087YV6KMV
Best Sellers Rank	#109,674 in Automotive ( See Top 100 in Automotive ) #50 in Street Motorcycle Sport Tires
Brand Name	Pirelli
Construction Type	B
Customer Reviews	4.6 4.6 out of 5 stars (201)
Item Diameter	12 centimeters
Item Dimensions	27 x 27 x 5.25 inches
Item Weight	20.9 pounds
Load Index	1
Load Range	B
Manufacturer Part Number	Night Dragon
Number of Packs	1
Ply	4-Ply
Rim Size	21 inches
Rim Width	21 inches
Seasons	Year Round
Section Width	12 centimeters
Size	120/70B21 M/C Front
Speed Rating	H
Tire Aspect Ratio	70
Tire Diameter	27.6 inches
Tread Type	Directional
Unit Count	1 Count
Vehicle Tire ISO Metric Size Description	120/70B21

Pirelli Night Dragon Cruiser Motorcycle Front Tire (120/70B21 M/C)

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