Indian Challenger & Pursuit Tire Guide: Metzeler i-Spec vs Aftermarket

Northwest Throttle
13 Min Read
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Indian Challenger & Pursuit Tire Guide: Metzeler i-Spec vs Aftermarket


Choosing replacement rubber for high-performance V-Twin baggers requires careful technical analysis. Specifically, the Indian Challenger and Indian Pursuit demand precise tire specifications. Weighing over 800 to 900 pounds and producing up to 133 foot-pounds of torque, these heavy liquid-cooled machines require reinforced sidewalls, radial rear construction, and exact load index matching. First, we break down why load ratings matter for your safety. Next, we decode Metzeler's OEM "i-Spec" engineering. Finally, we review major front and rear tire options side-by-side with individual purchase links.

Contents

CRITICAL LOAD RATING SAFETY WARNING:

The Indian Challenger and Pursuit require a minimum front load rating of 66H (661 lbs) or 67H (677 lbs) in size 130/60B19, and a rear load rating of 80H (992 lbs) in size 180/60R16. Never install 61H front tires (94 lbs under spec) or 74H rear tires (165 lbs under spec) on these motorcycles.


1. Understanding Load Ratings & Carcass Construction

Many online tire finder tools incorrectly list standard cruiser tires as "compatible" for the Challenger and Pursuit. However, installing underrated rubber compromises handling and creates dangerous heat buildup.

For example, standard front cruiser tires carry a 61H rating (567 lbs capacity). The fixed fairing and front weight distribution of the Challenger platform require a reinforced 66H (661 lbs) or 67H (677 lbs) carcass. Similarly, standard rear tires rated at 74H (827 lbs) fall 165 pounds short of the required 80H rating (992 lbs). Always verify both load index numbers before buying.

Furthermore, pay close attention to internal construction. Radial rear tires (designated by 'R' in 180/60R16) offer maximum high-speed stability and heat dissipation under heavy bagger loads. Installing bias-ply tires ('B') with incorrect aspect ratios (like 180/65B16) alters your speedometer and chassis geometry.


2. The Metzeler Cruisetec "i-Spec" Breakdown

Metzeler co-developed the Cruisetec "i-Spec" (Part #3838700 rear / Part #3773300 66H front) directly alongside Indian Motorcycle engineers. Direct technical conversations with Metzeler support confirm that the "i-Spec" rear tire uses modified rubber compound formulations compared to standard off-the-shelf Cruisetec tires (Part #3577700).

Key Technical Differences: "i-Spec" vs. Standard Cruisetec

  • Reinforced Carcass Cords: The "i-Spec" features specialized internal cord spacing and a stiffer carcass designed to eliminate high-speed "floating" on rain grooves and tar snakes.
  • Dual-Compound Compound Tuning: The rear tire utilizes a hard center zone (35% carbon black) for highway wear life, supported by a Cap & Base structure that prevents soft silica shoulder rubber from overheating.
  • Cupping Resistance: The "i-Spec" carcass structure is specifically tuned to resist the front-to-rear weight transfer of heavy touring baggers, preventing uneven wear patterns.

3. Metzeler Options

Metzeler provides the original equipment fitments as well as off-the-shelf cruiser options.

FRONT: Metzeler Cruisetec 130/60B19 66H TL REINF

Status: OEM Factory Spec

Part Numbers: 3773300 (Aftermarket SKU) | 3773312 (Metzeler OEM SKU)

Indian Part Number: 5418862

Cross-Reference Notes: Polaris/Indian catalog # 5418862 supersedes older numbers 5418231, 5417114, and 5415817. Both 3773300 and 3773312 are physically identical in fitment, compound, and 66H Reinforced (661 lbs) safety rating. Ordering 3773300 from retail suppliers gets you the exact same front tire as dealership stock.

Buy / Check Price: Metzeler Front (3773300)

FRONT: Metzeler Cruisetec 130/60B19 61H TL

Status: UNSAFE - Do Not Use

Part Number: 3576300

Notes: Wrong load rating. Rated 61H (567 lbs), which is 94 lbs below OEM front requirement.

View Product Info: Metzeler Front (3576300)

REAR: Metzeler Cruisetec 180/60R16 80H REINF TL (I-Spec)

Status: OEM Factory Spec ("I" Designation)

Part Numbers: 3838700 (Aftermarket SKU) | 3838710 (Metzeler OEM SKU)

Indian Part Number: 5417526

Cross-Reference Notes: Both 3838700 and 3838710 share identical dynamic profiles, compound recipes, radial construction, and 80H (992 lbs) safety ratings. Ordering Indian part # 5417526 from a dealership delivers the Metzeler SKU 3838710. Ordering 3838700 from an aftermarket retailer gives you the exact same 180/60R16 radial rear tire.

Buy / Check Price: Metzeler i-Spec Rear (3838700)

REAR: Metzeler Cruisetec 180/60R16 80H REINF TL (Standard)

Status: Safe Alternative

Part Number: 3577700

Notes: Standard off-the-shelf Cruisetec. Meets 80H load rating but features slightly softer sidewall feel than i-Spec.

Buy / Check Price: Metzeler Standard Rear (3577700)

FRONT: Metzeler ME 888 Marathon Ultra 130/60B19 M/C 61H TL

Status: UNSAFE - Do Not Use

Part Number: 4525500

Notes: Wrong load rating. Rated 61H (567 lbs), which is 94 lbs below OEM front requirement.

View Product Info: ME 888 Front (4525500)


4. Dunlop Tire Options

Dunlop offers high-mileage touring options that meet OEM load capacities.

FRONT: Dunlop American Elite 2 130/60B19 67H

Status: Recommended Aftermarket

Part Number: 45252455

Notes: Exceeds OEM front load requirements (67H / 677 lbs capacity). Strong stability.

Buy / Check Price: Dunlop Front (45252455)

REAR: Dunlop Elite 4 180/60R16 80H Radial

Status: Recommended Aftermarket

Part Number: 45119319

Notes: Correct 180/60R16 radial construction matching the required 80H (992 lbs) load capacity.

Buy / Check Price: Dunlop Rear (45119319)

REAR: Dunlop American Elite 2 180/65B16 81H

Status: Not Exact Fit

Part Number: 45252462

Notes: Taller aspect ratio (65 vs 60) and bias-ply construction instead of radial.

View Product Info: Dunlop Rear (45252462)


5. Shinko Tire Options

Shinko produces cruiser tires, but verify model numbers carefully as load capacities vary dramatically.

FRONT: Shinko SR777 130/60B19 67H

Status: Meets Load Capacity

Part Number: 87-4606

Notes: Rated 67H (677 lbs). Exceeds minimum front load capacity requirements.

Buy / Check Price: Shinko SR777 Front (87-4606)

REAR: Shinko SR777 180/65B16 81H

Status: Not Exact Fit

Part Number: 87-4599

Notes: Taller aspect ratio (65 vs 60) and bias-ply construction instead of radial.

View Product Info: Shinko SR777 Rear (87-4599)

FRONT: Shinko SR999 Long Hauler 130/60B19 67H

Status: Meets Load Capacity

Part Number: 87-4909

Notes: Rated 67H (677 lbs). Heavy-duty carcass option.

Buy / Check Price: Shinko SR999 Front (87-4909)

REAR: Shinko SR999 Long Hauler 180/60B16 74H

Status: UNSAFE - Do Not Use

Part Number: 87-4931

Notes: Wrong load rating. Rated 74H (827 lbs), which is 165 lbs below OEM rear requirement; bias-ply.

View Product Info: SR999 Rear (87-4931)


6. Pirelli Tire Options

Pirelli manufactures high-performance cruiser tires, but verify rear load indexes carefully.

REAR: Pirelli Night Dragon 180/60R16 M/C 80H TL REINF

Status: Meets Load Capacity

Part Numbers: 2634900 / 2595700

Notes: Reinforced radial construction matching required 80H (992 lbs) load capacity.

Buy / Check Price: Pirelli Night Dragon 80H Rear

FRONT: Pirelli Night Dragon 130/60B19 61H TL

Status: UNSAFE - Do Not Use

Part Number: 2812100

Notes: Wrong load rating. Rated 61H (567 lbs), which is 94 lbs below OEM front requirement.

View Product Info: Pirelli Front (2812100)

REAR: Pirelli Night Dragon 180/65B16 M/C 81H TL Reinf

Status: Not Exact Fit

Part Numbers: 2318700 / 2592700

Notes: Taller aspect ratio (65 vs 60) and bias-ply construction instead of radial.

View Product Info: Pirelli Rear (2318700)

FRONT: Pirelli Diablo Power Cruiser 130/60B19 61H TL

Status: UNSAFE - Do Not Use

Part Number: 4587100

Notes: Wrong load rating. Rated 61H (567 lbs), which is 94 lbs below OEM front requirement.

View Product Info: Diablo Front (4587100)

REAR: Pirelli Diablo Power Cruiser 180/70B16 M/C 77H TL

Status: UNSAFE - Do Not Use

Part Number: 4588300

Notes: Wrong load rating. Rated 77H (908 lbs, 84 lbs below spec); taller aspect ratio (70 vs 60) and bias-ply.

View Product Info: Diablo Rear (4588300)


7. Michelin Tire Options

Michelin cruiser tires are popular, but evaluate load limits and sizing parameters closely.

FRONT: Michelin Commander III 130/60B19 61H TL

Status: UNSAFE - Do Not Use

Part Number: 44850

Notes: Wrong load rating. Rated 61H (567 lbs), which is 94 lbs below OEM front requirement.

View Product Info: Commander III Front (44850)

REAR: Michelin Commander III 180/65B16 81H

Status: Not Exact Fit

Part Number: 25162

Notes: Taller aspect ratio (65 vs 60) and bias-ply construction instead of radial.

View Product Info: Commander III Rear (25162)

FRONT: Michelin Scorcher 31 (HD Spec) 130/60B19 61H TL

Status: UNSAFE - Do Not Use

Part Number: 34871

Notes: Wrong load rating. Rated 61H (567 lbs), which is 94 lbs below OEM front requirement.

View Product Info: Scorcher 31 Front (34871)

REAR: Michelin Scorcher 31 (HD Spec) 180/65B16 81H

Status: Not Exact Fit

Part Number: 65827

Notes: Taller aspect ratio (65 vs 60) and bias-ply construction instead of radial.

View Product Info: Scorcher 31 Rear (65827)

REAR: Michelin Road W GT 180/60R16 74H

Status: UNSAFE - Do Not Use

Notes: Wrong load rating. Rated 74H (827 lbs), which is 165 lbs below OEM rear requirement; bias-ply.

View Product Info: Road W GT Rear


8. Avon Tire Options

Avon manufactures Cobra Chrome tires, but check load indices for heavyweight V-Twin baggers.

FRONT: Avon Cobra Chrome 130/60B19 61V TL

Status: UNSAFE - Do Not Use

Part Number: 640575

Notes: Wrong load rating. Rated 61V (567 lbs), which is 94 lbs below OEM front requirement.

View Product Info: Avon Front (640575)

REAR: Avon Cobra Chrome 180/60R16 74H TL

Status: UNSAFE - Do Not Use

Part Number: 640571 / 5444

Notes: Wrong load rating. Rated 74H (827 lbs), which is 165 lbs below OEM rear requirement; bias-ply.

View Product Info: Avon Rear (640571)


Do Your Own Tire Swaps in the Garage

Swapping heavy V-Twin touring tires like the Metzeler Cruisetec on 16-inch and 19-inch wheels can be a tough job with standard tire irons. To avoid scratching expensive custom rims or paying dealer shop labor fees every time you need new rubber, we rely on the Rabaconda Street Bike Tire Changer in our garage.

It makes breaking stiff reinforced beads and mounting heavy-duty bagger tires quick, safe, and effortless. Grab yours directly through our link below to support Northwest Throttle while gearing up your shop!


Need specialized garage tools for your next wheel removal and tire swap? Check out the gear we use in our shop on our Gear & Tools We Use Page, or browse our latest technical guides in our Garage & Mods Section.