The internal pressure of tires for hookless rims is different for different trails, depending on the rider’s weight, inner tubes with studded tires, and tubeless compatible tires. the maximum internal pressure for mountain biking for hookless rims is 40 psi but normally you can run your bike with 35psi on tubeless, and more than 40psi would result in the tire bursting and tire blow on single terrains. for road biking the maximum internal pressure is 72psi to 73 psi, but you can also exceed it to 80psi to 120psi with the tubeless tire, sometimes the tire will not blow but it does not mean that this higher pressure is safe for you to ride with it because with this pressure you are going to take the risk on road trails.
There are many pressure calculators which need your weight and width of the bike and they give results for mountain biking and road biking about the recommended internal tire pressure depending on your weight these are Silca calculator, ETRTO calculator, and other Zipp websites, but it is difficult to say that these are providing the exact data about internal pressures because the recommended pressure for your self depends on the riding comfort level, type of rim for both wheelsets, and the trail resistance where bike tire is going to run, all these things would matter for choosing the tire pressure for hookless rims.
| Riders Weight | Road Bike | Mountain Bike |
|---|---|---|
| 80kg to 85kg | 68 front to 70 rear psi | 35 front to 38 rear psi |
| 60kg to 65kg | 62 rear to 60 front psi | 30 front to 35 rear psi |
| 70kg to 75kg | 62 rear to 65 front psi | 30 front to 33 rear psi |
| 120kg to 130kg | 70 rear to 73 front psi | 35 rear to 40 front psi |
Hookless rims with 60 internal pressure for road bikes and above 40 tire pressure for mountain bikes?
Above 60 pressure starts creating stretch within the sidewalls of the tires and the sides of the tires pop out, it is normal for road bike trails where there is no risk of blowing tires and popping from sides, but for mountain bikes above 40 tire pressure is higher pressure, and risk of popping the tubeless from the sides on rough and hard terrains, the reason is that higher tire pressure starts stretching the tire from the sides and the tire does not absorbs bumps and jumps but it works oppositely it starts exerting a higher pressure on the sides of the tire, as a result, hookless rims are without hooks, the tire blow-off on the trails.
What are the highest internal pressure for road bikes and clinchers?
The highest tubeless tire pressure for road bikes and clinchers is 73 psi, but depends on the weight, if you are heavier then lower than 65 to 68 psi and if you are lighter then 70 to 75 psi.
Higher Tire pressure for non-compatible tires with Hookless rims?
Beads of non-compatible tires would not seat on the tire bead accurately and become slippery, and if you are inflating the tire with higher pressure the tire will blow off, lower internal pressures of less than 50 psi are recommended for road bikes and for mountain bikes always inflate the tire with lower internal pressure because of the trail selection and comfort level and also for gravel bikes avoid higher internal pressure for aggressive trails. Non-compatible tires have a minimum tolerance rate with hookless rim.
Difference In Weight And Speed On Hookless Rims:
Tire pressure varies differently on trails and it also affects the speed of the bike, if your weight is from 50kg to 80kg then hookless rims increase bike speed on wider tires like gravel and hybrid tires, and also for road bike tires, for mountain biking if the trails are normal (not hard) hookless rims would perform better on lower pressures.
If your weight is from 80kg to 125kg, then tubeless compatible tires+hookless rims make a perfect relationship and increase bike speed on single and road bike trails, also the clinchers increase your speed with inner tubes installed in them, but if you want to travel in faster speeds then you can select narrow tires and avoid wider tires.
Riding on harsh terrains(dirt and sand), tire resistance with the ground surface resists bike speed with hooked rims, but hookless rims decrease resistance on these trails and are the recommended option for mountain bikes and gravel bikes.
Hookless are simple rims and hooked rims are decoratives, which means the lifespan of hookless rims is greater than hooked ones, and you will recognize a clear difference in both of them when you compare them, with each other, the material of hookless rims has greater durability than hooked rims, the thing which is loved the most for hooked rims are their look, this is the reason hookless rims are used for installing in mountain bikes under lower air pressures.
And if we discuss the best comap[tible brakes for hookless rims then Disc brakes are the recommended brakes for these rims, it shows that old rim brakes would work with hooked rims and vice versa.
Do Hookless Rims Lock The Tire At Higher Tire Pressure?
Nope, hookless rims do not have bent 2.5mm hooks for locking the edges of the tire in rim beads at higher pressures, this is the reason lower internal pressure is recommended for these rims for mountain bikes and gravel bikes.
What Is The Recommended Weight Of The Rider For Hookless Rims At Different Pressures?
114kg weight is the recommended weight for road bikers at 66 to 70psi and the same weight for mountain bike riders but with different internal pressure which is 40psi. these values are the recommended values from the Zipp and ETRTO companies and the manufacturers of these hookless rims.
Tire Pressure For Hookless Rims With Inner Tubes:
90 psi is the recommended tire p[ressure for the inner tubes for road bikes for the compatible tires, this setup will last long with this pressure for a long time without any issue. the thickness of the tire casings is different for tube and tubeless tires, this is the reason tube tires have higher internal pressure than tubeless. this is a reverse process tubeless tires have greater casing thickness and these do not require inner tubes this setup is for mountain biking and tube tires have thin casings which require inner tubes for road biking, this is the reason that internal pressures are different for both of them on hookless rims.
Higher Internal Pressure And Comfortability:
Higher pressures do not make your ride more comfortable for both mountain bikes and road bikes, it is because of the lower rolling resistance of the tire with the ground surface, and the higher pressure is forwarding all the bumps and jumps of the trails in an upward direction towards the fork and saddle, but lower pressure maintains the rolling resistance of the tire with the trails and makes your ride comfortable on any trail.
There is a difference in choosing the tire pressures for different experienced riders, some want to avoid punctures and flats on trails, due to this advantage these will inflate their tires on higher pressures, and the other type of riders want their bike more comfortable on the trails, and they will inflate bike tires with lower internal pressures.
Higher Internal Pressures Are Bad For Daily Ridings:
It matters a lot for road biking, mountain biking, and gravel biking, if your tire has 80, 90 to 100 internal pressure and you are a regular rider or you have to ride daily on your bike for daily chores or for a job, then keep your both front and back tire pressures lower from 80-psi, daily ridings stretch bike tire from all the sides and lowers the tolerance of the tire which results in blowing of the tire from the hookless rim.
Recommended Pressure Calculator For Gravel And Mountain Bikes?
SRAM is the recommended pressure calculator and it tells the correct data about tire internal pressures, but sometimes it also makes a difference of 10 to 15 psi, in this situation you can compare the tire pressure with your weight and the trails where you are going to ride, it helps you a lot in choosing the exact internal pressure for your bike.
What Is The Accurate Method Of Maintaining And Finding The Exact tire’s Internal pressure?
As you, there are many websites which are telling the exact tire pressures for both front and rear tires, but when you follow them, maybe you will miss finding the exact pressure according to your body weight.
Hookless rims and their compatible tires are manufactured by large companies, and their manufacturers would exactly know the exact and real internal pressure for road and mountain biking, its a safer way for you to ask about the real internal pressure from these manufacturers depending on the same brand of rim and tire, these manufacturers would recommend the real date for rims and tires and know how these roll better on the trails.
What Is The Normal Road Tire Pressure With Hookless Rims For All the Tire Brands?
70 psi is the normal tire pressure for all the brands of tires, if you are confused about the new bike tire’s internal pressure, then it is the recommended pressure from pressure guide sites and manufacturers which are making tires.
What Is The Smooth Bike Tire Pressure For Clinchers?
70 to 75 psi is the normal and smooth tire pressure for the clinchers with inner tubes or with tubeless tires.