BT-021 pressures - Triumph Forum: Triumph Rat Motorcycle Forums
Triumph SuperSports Triumph Four-Cylinder Enthusists: TT600, Speed4, and Daytona 600/650

LinkBack Thread Tools Display Modes
post #1 of 7 (permalink) Old 11-19-2012, 03:00 PM Thread Starter
New Member
Main Motorcycle: Triumph TT600 2000
Join Date: Nov 2012
Location: Portsmouth
Posts: 13
Other Motorcycle: Peugeot xp6s50
BT-021 pressures

Was wondering if anyone else was running BT-021 on a tt600 or s4 and what pressures you have them at?
I have had my rear at 42psi and my front at 40psi as i take pillions quite a lot and was surprised when i looked at the recommended pressures in the manual and what pressures people are running at in the tire threads
Danmandrums is offline  
Sponsored Links
post #2 of 7 (permalink) Old 11-21-2012, 02:15 AM
Senior Member
Team Owner
Main Motorcycle: Valmoto Replica
Join Date: Jan 2011
Location: Orange, CA
Posts: 4,017
Bridgestones typically run at higher pressures than other tyres, Dan...42psi on the rear sounds spot-on....40psi on the front sounds too high...think 36-38 is more correct...prolly 38psi IIRC.
D41 is offline  
post #3 of 7 (permalink) Old 11-21-2012, 11:12 AM
Senior Member
Formula Extreme
Main Motorcycle: 2011 Triumph Sprint GT
JohnD's Avatar
Join Date: Dec 2007
Location: Tampa, Florida, U.S.A.
Posts: 692
Other Motorcycle: '08 Kawasaki Concours 14
I run 36/42 on my Sprint GT's 021 tires, which is the reccomended tire pressure. My dealer, however, always want to go with slightly lower tire pressures.
JohnD is offline  
post #4 of 7 (permalink) Old 11-21-2012, 12:09 PM
Official Leathers Tester
Site Supporter
SOTP Vintage Series
Main Motorcycle: Very fast 675
Will's Avatar
Join Date: Jan 2002
Location: Seattle, WA
Posts: 7,269
Other Motorcycle: DRZ 400 Bad Idea
Extra Motorcycle: Mad Max the Husqvarna
It depends a bit on what you are doing and what the conditions are like. For every day street riding, going with the manufacturer's recommendations is a good idea. For high performance, carrying loads, or extreme conditions of one kind or another (heat, cold), you may want to adjust pressures. To get a little hotter tire surface, lower pressure. To run a little cooler or carry heavier loads, raise pressures. You will want to check with somebody who knows a whole lot more than me to make sure you have the exact limits of these things, but that's the general idea.

It's a squid thing. You wouldn't understand.

Go soothingly on the grease mud, as there lurks the skid demon.
Will is offline  
post #5 of 7 (permalink) Old 11-21-2012, 01:08 PM
Lifetime Premium
Site Supporter
Pole Position
Main Motorcycle: 09 Sprint ST ABS
Billbikes's Avatar
Join Date: Jun 2008
Location: Sanatoga Pa
Posts: 3,915
Other Motorcycle: 05 Racing Yellow Thruxton
Extra Motorcycle: 01 Lemond Zurich
For BT21's the best pressure is 0. I know it's a smarta$$ answer, but that's all I got....

Sent from my iPhone using App

09 Sprint ST-Trident exhaust,rear fender tidy.
You can take the boy out of Texas, but you can't take Texas out of the boy.
Billbikes is offline  
post #6 of 7 (permalink) Old 11-22-2012, 06:38 PM Thread Starter
New Member
Main Motorcycle: Triumph TT600 2000
Join Date: Nov 2012
Location: Portsmouth
Posts: 13
Other Motorcycle: Peugeot xp6s50
Thanks guys, i will drop the front down to 38 and just leave the back at 42 as i can't be bothered to change my pressures everytime i gie someone a pillion!
Danmandrums is offline  
post #7 of 7 (permalink) Old 11-29-2012, 04:06 PM
Senior Member
Main Motorcycle: '02 Daytona 955i
Join Date: Jul 2009
Location: Boston Mass. USA
Posts: 268
Other Motorcycle: 02 KZ1000P
Extra Motorcycle: 09 Versys
Whenever you move from the OEM tire to another brand you must use your new tires' pressure as recommended by the manufacturer. Bridgestone has a number you can call and actually speak to tech. They will give you the proper PSI. 42 sounds a bit high to me.
blipco is offline  
Sponsored Links

Quick Reply
All posts must adhere to Forum Rules

Register Now

In order to be able to post messages on the Triumph Forum: Triumph Rat Motorcycle Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter your valid email address, that can receive an automated confirmation message. Otherwise, you won't be able to gain full access.

Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Similar Threads
Thread Thread Starter Forum Replies Last Post
Tyre Pressures TripleTreat Sprint Forum 7 03-19-2007 11:33 PM
Tires+pressures Ara Sprint Forum 15 12-18-2006 11:43 AM
tyre pressures English_Spanner Twins Technical Talk 20 10-09-2006 09:52 PM
Tyre Pressures Tigerbob Tiger Workshop (archive) 9 08-21-2006 04:01 PM
tire pressures? RSRAT Sprint Forum 5 06-22-2006 08:39 AM

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are On

For the best viewing experience please update your browser to Google Chrome