Best 120 90 X 18 Rear Tire for Dirt, Dual-Sport, and Road

#1 · Best Overall

1. Tusk Waypoint Adventure

• Size: 120/90-18
• Rim Size: 18 in
• Vehicle Tire ISO Metric Size Description: 120/90-18

Best for: Dirt-heavy dual-sport riders.

Why it ranks #1: Its 120/90-18 rear size, DOT compliance, and stated 70% dirt and 30% street split suit riders seeking a clearly specified mixed-use tire.

A stated 70% dirt and 30% street orientation sets the Tusk Waypoint apart for riders whose routes lean off-road but include pavement. Its aggressive knobs target traction in tough conditions, while the DOT-compliant designation and predictable on-road performance support occasional road sections in the same 120/90-18 tire.

The aggressive knobs are identified as the source of traction in tough conditions, making them relevant for dirt-focused routes. Tusk also describes a tread profile intended to provide consistent performance and handling, alongside a rubber compound intended to balance grip and long-lasting wear. With a stated 70/30 dirt-to-street emphasis and DOT compliance, the tire offers a defined use split for riders planning both trail and road segments.

Skip it if you ride mostly paved touring routes and want touring-oriented features; the Kenda K657 Challenger lists a high-mileage compound and wet-weather tread.

This Waypoint fits dual-sport riders planning dirt-heavy routes with some pavement, and its DOT-compliant listing matters for road sections. Its stated 70/30 split is the key boundary; it is not the obvious match for predominantly street riding.

Listed on Amazon as: Tusk Waypoint Adventure Motorcycle Tire – 120/90-18 (65R) Rear – Dual Sport On/Off-Road Tread – DOT Compliant

#2 · Hard-Pack Pick

2. Dunlop Geomax MX53

• Size: 120/90-18
• Rim Size: 18 in
• Vehicle Tire ISO Metric Size Description: 120/90R18 (R)

Best for: Hard-track motocross riders.

Why it ranks #2: This 120/90-18 off-road rear tire is designed for hard-packed tracks and also claims versatility across intermediate riding conditions.

The Geomax MX53 combines hard-packed track capability with stated versatility in intermediate conditions, making it a rear tire for riders moving between those soil types. Its Block-In-A-Block tread shape is described as supporting progressive cornering and slide control, bringing specific handling aims to the 120/90-18 size.

Dunlop says the MX53 excels on hard-packed tracks while also working in intermediate conditions, where packed and loose soil mix. Its Block-In-A-Block design adds knob flex for grip, with stability and slide control described as accompanying benefits. Those features make the tire's terrain range and cornering behavior relevant to off-road setup decisions. The 120/90-18 size and 18-inch rim specification identify its listed rear-wheel fit dimensions.

Skip it if you need a tire with an explicit road-use designation; the Tusk Waypoint is identified as DOT compliant for on-road use.

Pick the MX53 for off-road riding across hard-packed tracks and intermediate soil, particularly if progressive cornering and slide control matter. Its listed load capacity is 385 pounds, so account for that figure when planning the motorcycle's load.

Listed on Amazon as: Dunlop Geomax MX53 Rear Tire (120/90-18)

#3 · Medium-Hard Terrain

3. Michelin Starcross 6

• Size: 120/90×18
• Rim Size: 18 in
• Vehicle Tire ISO Metric Size Description: 120/90-18

Best for: Intermediate-terrain motocross riders.

Why it ranks #3: The 120/90×18 rear tire targets medium-hard terrain and lists traction gains when new and worn versus its previous generation.

Adaptive tread design targets intermediate terrain, giving the Michelin Starcross 6 a stated traction advantage when new and as it wears. In 120/90-18 sizing, it is a rear motocross option for riders seeking terrain-focused grip, with Michelin Silica Technology supporting the worn-tire traction claim.

Michelin cites up to 16% more traction when new and up to 19% more when worn, both compared with the previous generation. That makes the adaptive design and Silica Technology relevant to riders who want the grip claim to extend through tire wear, rather than apply only at installation. The medium-hard terrain designation narrows its intended conditions, while the 120/90-18 size and 18-inch rim specification provide the key sizing details for a matching rear-wheel setup.

Skip it if you need a street-and-trail split or a tire for varied terrain; the Dunlop Geomax MX53 explicitly covers hard and intermediate conditions.

Choose this Michelin for motocross riding on medium-hard terrain when its traction claims through wear match your priorities. It is a specialized terrain choice, so consider the intended surface and the listed 120/90-18 size before selecting it.

Listed on Amazon as: Michelin Starcross 6 Medium Hard Rear Tire (120/90-18) For 74-88 YAMAHA YZ250

#4 · Wet-Surface Grip

4. Michelin Enduro Medium

• Size: 120/90-18
• Rim Size: 18 in
• Vehicle Tire ISO Metric Size Description: 120/90-18 (Rear)

Best for: Road-legal enduro riders.

Why it ranks #4: Its 120/90-18 rear fit and stated grip on wet and slippery surfaces suit enduro riders facing varied conditions; it is homologated for road use.

Road homologation gives the Michelin Enduro Medium a useful distinction for riders seeking an enduro rear tire with listed road-use approval. Its rubber compound and tread are described as providing grip on wet and slippery surfaces, while the stated 15% longevity improvement adds a wear-focused reason to consider it.

Michelin's description connects the rubber compound and tread design with grip across a wide range of surfaces, including wet and slippery ground. The stated 15% improvement in longevity gives riders a separate wear-related point to weigh, alongside the claim of more stable, reliable performance. Road homologation supports its use case for riders linking road sections with enduro conditions, and the 120/90-18 rear designation clarifies its listed position.

Skip it if you need a stated 70/30 dirt-to-street emphasis; the Tusk Waypoint explicitly lists that use split and DOT compliance.

Consider this Michelin for enduro riders who need road homologation alongside wet-surface grip and a stated longevity improvement. Its 120/90-18 rear size and 290 kg load capacity are relevant fit and planning boundaries.

Listed on Amazon as: 120/90-18 Michelin Enduro Medium Rear Tire

#5 · Dual-Sport Option

5. Pirelli MT21 RallyCross

• Size: 120/90-18
• Rim Size: 18 in
• Vehicle Tire ISO Metric Size Description: 120/90-18

Best for: Rally-cross dual-sport riders.

Why it ranks #5: This 120/90-18 rear tire is identified as a RallyCross dual-sport tire, making it a relevant option for riders seeking mixed-use fitment.

The Pirelli MT21 RallyCross is explicitly identified as a dual-sport rear tire, making its category the clearest guide for riders weighing this 120/90-18 option. Its 18-inch rim specification and stated 387-pound load capacity provide practical selection details, while the RallyCross name signals its listed role.

Pirelli identifies the MT21 as a RallyCross dual-sport rear tire, giving riders a clear category reference when comparing it with road-focused or motocross choices. The 120/90-18 size and 18-inch rim specification define its listed dimensions, while the 387-pound load capacity gives a concrete figure for load planning. Those details help narrow selection around tire size, intended category, and the motorcycle's expected carrying load.

Skip it if you need an explicitly stated terrain split or tread description; the Tusk Waypoint lists a 70% dirt and 30% street focus.

The MT21 is a straightforward candidate for riders seeking a Pirelli RallyCross dual-sport rear tire in 120/90-18. The listing provides a 387-pound load capacity but little terrain detail, so weigh that boundary against your specific route needs.

Listed on Amazon as: Pirelli MT21 Rear Tire (120/90-18)

#6

6. Shinko E-805 Big Block

• Size: 120/90-18
• Rim Size: 18 in
• Vehicle Tire ISO Metric Size Description: 120/90-18

Best for: Off-road-biased adventure riders.

Why it ranks #6: The 120/90-18 adventure tire is specified for a 40% on-road and 60% off-road riding balance, with stable sidewalls for soft surfaces.

A stated 60% off-road and 40% on-road use balance makes the Shinko E-805 a clear option for adventure riders spending more time away from pavement. Its Big-Block technology, stable sidewalls for soft surfaces, and listed 120/90-18 size define its intended riding context.

Shinko identifies the E-805 as using Big-Block technology, connecting the tread concept to its adventure-tire positioning. The listed 60/40 off-road-to-on-road balance helps riders judge whether its emphasis matches their route mix, while the stable sidewalls are specifically noted for soft surfaces. Superior on-road handling and mileage are also listed, so the tire's stated appeal spans trail time and the pavement needed to reach it.

Skip it if you need a tire explicitly marked DOT compliant with a stated dirt/street split; the Tusk Waypoint lists both details.

The E-805 suits adventure riders whose routes are predominantly off-road but still include pavement, especially where soft-surface sidewall stability matters. Use its stated 60/40 split as a guide, and include the 639-pound capacity in load planning.

Listed on Amazon as: Shinko E-805 Big Block Rear Tire (120/90-18)

#7

7. Tusk Dsport Adventure

• Size: 120/90-18
• Rim Size: 18 in
• Vehicle Tire ISO Metric Size Description: 120/90R

Best for: Suzuki DR-Z 400S owners.

Why it ranks #7: This 120/90-18 tube-type adventure tire listing names Suzuki DR-Z 400S applications, but supplies fewer terrain and performance details than higher-ranked options.

The Tusk Dsport listing names Suzuki DR-Z 400S fitment across specified model years, giving owners a concrete vehicle reference for this 120/90-18 rear tire. Its title also identifies a tube-type construction, a practical detail to account for when planning the wheel and installation setup.

The product title specifies the Suzuki DR-Z 400S and model years 2000–2009 and 2011–2024, making that named application central to a buyer's selection. It also identifies the tire as tube type, which affects the setup details a rider should plan for at installation. The listed 120/90-18 size and 18-inch rim specification supply the dimensional information alongside that vehicle and construction description.

Skip it if you ride a different motorcycle or need a listed tubeless tire; the title specifically names the Suzuki DR-Z 400S and tube-type construction.

This Dsport listing is most relevant to Suzuki DR-Z 400S owners within the named model years who need a tube-type 120/90-18 rear tire. Its stated vehicle range and tube requirement are important boundaries when choosing it.

Listed on Amazon as: Tusk Dsport® Adventure Tire 120/90-18 (65R) Tube Type For SUZUKI DR-Z 400S 2000-2009,2011-2024

#8

8. Dunlop D404 Rear

• Size: 120/90-18
• Rim Size: 18 in
• Vehicle Tire ISO Metric Size Description: 120/90-18

Best for: Load-conscious road riders.

Why it ranks #8: It matches the 120/90-18 rear size and lists a 65H rating and 639-pound load capacity, but provides little terrain guidance.

A stated 639-pound load capacity is the clearest practical figure on this Dunlop D404 rear motorcycle tire. Its 120/90-18 size and 65H designation give shoppers concrete specifications to weigh when choosing a rear tire, while the black-wall finish suits riders seeking that listed appearance.

The 639-pound load capacity gives riders a specific figure to use when considering motorcycle load, and the 120/90-18 size identifies the tire dimensions in the listing. An 18-inch rim specification further clarifies the wheel size it is listed for. The 65H designation is also part of the product title, so buyers can compare the tire's stated markings with their motorcycle requirements rather than relying on appearance alone.

Skip it if you want an off-road-specific tread or a stated dirt-and-street split; the Tusk Waypoint lists a 70% dirt, 30% street focus.

This D404 suits a rider prioritizing a specified rear-tire size, 65H marking, and documented load capacity. Check those details against the motorcycle and expected load; the listing does not provide a terrain-use profile.

Listed on Amazon as: Dunlop D404 Rear Motorcycle Tire 120/90-18 (65H) Black Wall

#9

9. Kenda K657 Challenger

• Size: 120/90-18
• Rim Size: 18 in
• Vehicle Tire ISO Metric Size Description: 120/90-18

Best for: Wet-weather touring riders.

Why it ranks #9: The 120/90-18 touring-oriented tire lists a 418-pound load capacity and wet-weather tread details, but is less suited to off-road-focused buyers.

Angled grooves and a unidirectional tread give the Kenda K657 Challenger a specific wet-weather traction focus for touring use. A high-mileage compound, three-ply construction, and nylon casing with special insert plies round out the listed design, making this 120/90-18 rear tire an option for road-focused riders.

Kenda describes the angled grooves and unidirectional tread as providing wet-weather traction, a useful pairing for riders who encounter changing road conditions. The high-mileage compound addresses wear over touring use, while the nylon casing and special insert plies are said to help reduce heat. Three-ply construction and a corner-hugging rubber compound add further construction and handling details to consider when choosing a rear tire.

Skip it if you prioritize a stated dirt-and-street split or aggressive off-road knobs; the Tusk Waypoint specifies 70% dirt use and tough-condition traction.

Choose the K657 Challenger for road touring where wet-weather tread and a high-mileage compound fit your priorities. Its stated load capacity is 418 pounds, so account for that limit when considering luggage, passenger, and motorcycle load.

Listed on Amazon as: Kenda K657 Challenger Rear Tire (120/90-18)

#10

10. Kenda Kruz K673

• Size: 120/90R18
• Rim Size: 18 in
• Vehicle Tire ISO Metric Size Description: 120/90R18

Best for: All-weather cruiser riders.

Why it ranks #10: Although sized 120/90R18, this tire is designed for cruiser use and all-weather road traction, so it is the weakest match for dirt-oriented searches.

Deep, wide grooves give the Kenda Kruz K673 a clear all-weather cruising focus, with its tread described as supporting traction in changing conditions. Updated tire shapes are listed for straight-line stability and cornering, making this 120/90-18 option relevant to cruiser riders who value both behaviors.

The deep, wide grooves in the front and rear tread design are tied to all-weather cruising, giving road riders a specific traction-oriented feature to consider. Kenda also lists updated tire shapes for improved straight-line stability and cornering performance. A bias/belted casing is described as supporting handling and high load carrying capacity, while the all-weather traction compound and improved mileage round out its cruiser-focused specifications.

Skip it if you want an off-road-focused tire with a stated dirt-to-street ratio; the Shinko E-805 lists a 60% off-road, 40% on-road balance.

Choose the K673 for cruiser use where all-weather tread, straight-line stability, and cornering behavior are priorities. Its 120/90-18 size and stated 450 kg load capacity are relevant fit and load considerations for the motorcycle.

Listed on Amazon as: Kenda Kruz K673 Tire Black Size 120/90-18