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.
- Indian Challenger & Pursuit Tire Guide: Metzeler i-Spec vs Aftermarket
- 1. Understanding Load Ratings & Carcass Construction
- 2. The Metzeler Cruisetec "i-Spec" Breakdown
- 3. Metzeler Options
- FRONT: Metzeler Cruisetec 130/60B19 66H TL REINF
- FRONT: Metzeler Cruisetec 130/60B19 61H TL
- REAR: Metzeler Cruisetec 180/60R16 80H REINF TL (I-Spec)
- REAR: Metzeler Cruisetec 180/60R16 80H REINF TL (Standard)
- FRONT: Metzeler ME 888 Marathon Ultra 130/60B19 M/C 61H TL
- 4. Dunlop Tire Options
- FRONT: Dunlop American Elite 2 130/60B19 67H
- REAR: Dunlop Elite 4 180/60R16 80H Radial
- REAR: Dunlop American Elite 2 180/65B16 81H
- 5. Shinko Tire Options
- FRONT: Shinko SR777 130/60B19 67H
- REAR: Shinko SR777 180/65B16 81H
- FRONT: Shinko SR999 Long Hauler 130/60B19 67H
- REAR: Shinko SR999 Long Hauler 180/60B16 74H
- 6. Pirelli Tire Options
- REAR: Pirelli Night Dragon 180/60R16 M/C 80H TL REINF
- FRONT: Pirelli Night Dragon 130/60B19 61H TL
- REAR: Pirelli Night Dragon 180/65B16 M/C 81H TL Reinf
- FRONT: Pirelli Diablo Power Cruiser 130/60B19 61H TL
- REAR: Pirelli Diablo Power Cruiser 180/70B16 M/C 77H TL
- 7. Michelin Tire Options
- FRONT: Michelin Commander III 130/60B19 61H TL
- REAR: Michelin Commander III 180/65B16 81H
- FRONT: Michelin Scorcher 31 (HD Spec) 130/60B19 61H TL
- REAR: Michelin Scorcher 31 (HD Spec) 180/65B16 81H
- REAR: Michelin Road W GT 180/60R16 74H
- 8. Avon Tire Options
- Do Your Own Tire Swaps in the Garage
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.