Dunlop Geomax MX53 Rear Tire - 12090-19 66M TT

Dunlop Geomax MX34 Rear Tire - 12090-19 MC 66M TT

Dunlop Geomax MX34 Rear Tire - 12080-19 MC 63M TT

Dunlop Geomax MX34 Rear Tire - 11090-19 MC 62M TT

Dunlop Geomax Rear Tire

SKU: dun45259506

Price range: $172.95 through $197.95

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Category: Tires & Wheels

Dunlop Geomax Rear Tires 19" | MX14, MX34 & MX53

Terrain changes every session. The tire under your rear wheel should match it. Running the wrong rubber for the conditions is one of those things that sounds minor until you're fighting the bike out of every corner wondering why nothing feels right.The Dunlop Geomax lineup covers the full terrain range — sand and mud, soft to intermediate loam, hardpack and blue groove. Three models, five size and variant combinat ions, all on a 19-inch rear rim. Select your model based on where you ride most, then match the size to your bike's spec.MX14 — Sand and Mud | 120/80-19 63M TTThe MX14 is a dedicated soft-terrain tire. Deep sand, heavy mud, tracks that get loose and unpredictable — this tire was built specifically for those conditions and nothing else.The tread pattern has reduced scoop block spacing and 18% taller tread blocks for grip in soft conditions, with an improved rubber compound that increases tire strength and reduces flex for better traction on straights and corner exits. Reinforced Scoop Technology and V-Block Technology Advanced optimize how the tread blocks penetrate and scoop sandy and muddy terrain. Flexible Fin Technology on the crown and middle blocks improves stopping power and gives more progressive brake control. A new carcass construction adds a ply to improve linearity when load is applied.Better drive off the start, more rear braking grip in the slop, and controlled slide rather than unpredictable washouts. Pairs with the Dunlop MX3S or MX33 front tire.MX34 — Soft to Intermediate | 110/90-19 62M TT | 120/80-19 63M TT | 120/90-19 66M TTThe MX34 replaced the MX33 — for years the benchmark for soft-to-intermediate terrain. It builds on that with real updates across tread design, carcass, and compound.The rear pattern features 11% taller and 44% wider center blocks for increased traction and control. New carcass material improves damping and absorption, maintaining performance up to 30% longer. Progressive Cornering Block Technology improves grip while cornering and enhances feel and absorption. Larger spacing between the middle blocks and shoulder blocks delivers superior mud evacuation performance — the tread self-clears as you ride rather than packing up and killing traction when you need it most.Available in three sizes to cover a range of bike specs. The right choice for loamy soil, mixed conditions, and tracks that shift between soft and firm throughout the day.MX53 — Intermediate to Hard | 120/90-19 66M TTWhen the track is firm, packed, and dry, a soft-terrain tire works against you. Knobs wear fast, the tire skates rather than grips, and you lose rear end confidence. The MX53 was built for hardpack, blue-groove surfaces, and consistently firm terrain where compound durability and hard-surface grip are what actually matter.Block-In-A-Block technology on the rear allows added flex in each knob to enhance grip while providing stability and slide control. Tie bars between select knobs reduce flex at the base, improving durability. Dunlop's Advanced Apex Design improves shock absorption through a taller, thinner apex inside the sidewall. The compound has a high number of molecular polymer particles for higher fracture strength and more durability, along with additional fine carbon particles for the legendary Geomax grip.

Available size

MX14 | 120/80-19 | 63M TT
MX34 | 110/90-19 | 62M TT
MX34 | 120/80-19 | 63M TT
MX34 | 120/90-19 | 66M TT
MX53 | 120/90-19 | 66M TT

Choosing the Right Variant

The MX14 and MX34 both come in 120/80-19. Same size, completely different tires. The MX14 is a dedicated sand and mud tire with taller blocks, reinforced scoop design, and flexible fins built for soft conditions. The MX34 covers soft to intermediate and handles mixed terrain more broadly. If your track is consistently sandy or muddy, go MX14. If conditions vary, go MX34.The MX34 and MX53 both come in 120/90-19. Same size, built for opposite ends of the terrain spectrum. MX34 for soft to intermediate — loam, mixed, conditions that get muddy. MX53 for intermediate to hard — packed, dry, firm tracks. Running the wrong model costs you either traction or tire life depending on which direction you go wrong.On the 120/80 vs 120/90 across the MX34 range — both are 120mm wide but the 120/90 has a taller sidewall and larger overall diameter. Match your stock spec to keep your geometry and suspension setup consistent.The 110/90-19 is MX34 only — a narrower profile common on enduro and some trail bikes.

Fitment Clarity

All five tires are 19-inch rear, bias-ply, tube-type construction. A tube is required for every variant — these are not tubeless tires. Check the sidewall of your current tire for your size before ordering. If your existing tube is worn, replace it at the same time. There's no good reason to run fresh rubber over a tube that's already had a hard life.If you've made suspension modifications or run non-stock wheel sizes, confirm fitment by tire size rather than bike model.

Install Insight

Standard tire irons handle the mount. Work the bead evenly around the rim and take care not to pinch the tube during installation — it's the most common mistake and easily avoided if you take your time. Inflate slowly once both sides of the bead are seated.Give the tire 20 to 30 miles of normal riding before pushing hard. The tread surface needs a short break-in period before it hooks up at full potential.

Who This Is For

MX14 — Sand, mud, and consistently soft terrain riders. Tracks that get loose and unpredictable. Developed on some of the sandiest MXGP venues in the world and tested at the Dunlop Proving Grounds in Huntsville, Alabama.MX34 — The most versatile option in this listing. Loamy soil, mixed conditions, tracks that change throughout the day. Works for competitive riders and serious trail riders who deal with varied terrain.MX53 — Hardpack and blue-groove track riders. Dry, fast, firm surfaces where compound durability matters more than penetration. Also a strong pick for enduro and trail riders in rocky, dry terrain.

FAQs

Both the MX14 and MX34 come in 120/80-19. Which one do I need?Check your terrain first, not your size. The MX14 was engineered specifically for sand and mud — taller blocks, reinforced scoop design, flexible fin technology built for soft penetrating conditions. The MX34 handles soft to intermediate and is the better all-rounder for mixed terrain. Same size, different job.Both the MX34 and MX53 come in 120/90-19. How do I pick?Think about what the ground looks like where you ride most. Loamy, mixed, or conditions that get muddy — MX34. Dry, packed, and consistently firm — MX53. The terrain match matters more than the size here.Do all five tires need a tube?Yes. Every variant in this listing is tube-type construction. A separate inner tube is required. Use heavy-duty tubes for MX and off-road riding — standard tubes don't hold up as well under those demands.What is the difference between 120/80-19 and 120/90-19?Same 120mm width but different sidewall height. The 120/90 sits taller on the rim due to the higher aspect ratio, which slightly increases overall diameter and affects ride height. Match your stock spec to keep suspension geometry consistent.Are Dunlop Geomax tires hand inspected?Yes — every Dunlop tire is hand inspected before it leaves the factory, and 100% of tires are quality inspected before shipping.How long will these tires last?Wear rate depends on terrain, riding intensity, and how often you ride. The MX53 compound was developed specifically for longer life on harder surfaces. Soft terrain generally wears knobs faster than hardpack. Check knob condition regularly — when they round off noticeably or start tearing at the base, it is time for a replacement.Which front tire pairs with the MX14?Dunlop recommends pairing the MX14 rear with either the MX3S or MX33 front tire for a matched setup in soft terrain conditions.

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