90/90-21 or 80/100-21 (3.00 X 21) 80/90-21 90/100-21 2.75/3.00-21 (300/325-21) for Klr 650/450 Mh90-21 Front Motorcycle Tire Tube Heavy Duty
Special Features
- provides stronger puncture resistance versus standard tubes
- good air retention and resistance to aging / heat
- Centered TR-4 Valve Stem
- engineered to match common 21" front tire dimensions
- ideal for trail use, daily repair kit, or upgrade
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