Description Mr Tuffy's legendary tire liners prevent puncture flats using their lightweight, super-durable urethane liners. The new XL series is made for fat bike and fits tires up to 5”.
2XL fits 26”/29” x 2.35”-3.0”
3XL fits 26”/29” x 3.1”-4.0”
4XL fits 26”/29” x 4.1”-5.0” Reviews Ordered by Most Relevant First
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Reviewed 12/17/2018
by Anonymous
Casual Cyclist
Value Rating
Overall Rating
Double skinned in Big Apple 2.35 29
Double skinned these liners inside a 29 Big Apple 2.35 rear due to thorns. Stuck them together with thin double sided adhesive tape to hold them in together evenly during installation. Running BigBen 2on front with GreenGuard. The Apple needed more protection being on a norco vlt r2 ebike rear. Changing the rear is not quickeasy.
High speed no problem. Top speed of 57.7 kph downhill into a bend stable.
Make sure you cut overlap for better balancestability at speed. You can keep the excess in your spares kit as a worse case emergency sleeve. Installed just one initially leaving overlap and bike stability was impacted negatively above 40kph. Hence cut them
Apart from that initial learning curve they've proven to be bullet proof onoff road.
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Prompt shipment
These were delivered to me quickly & brand new as expected
I installed them about 300 miles ago and have been very happy
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Reviewed 3/9/2018
by Anonymous
Cycling Enthusiast
1 of 2 customers found this review helpful.
So far have not had a flat since installing the liners.
I ride the fat tire bike on a lot of different terrain and had a couples of punctures in the past, So far no problems since installing the liners.
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Mechanic's Corner A guide to common bike tire sizes and how to find the tires that will fit your bike.
Understanding older bicycle tire sizes.
A useful chart for determining the tire size you need for your bicycle.
Tips for proper bicycle tire mounting and tire safety.
A guide to understanding tire width.
A guide to understanding bicycle tire tread patterns and what you should look for.
