Rider economics

The Math of Darksiding: What $400 Per Tire Really Buys Back

Inflation has made every consumable feel louder: gas, oil, insurance, hotel rooms, and tires. Darksiding is not just a fitment rabbit hole. For high-mileage touring riders, the tire math can turn into a quiet annual rebate.

Per 8,000 miles $400 saved

At 6,000 miles/year $300 saved

Estimated gas offset About 50%

The Simple Tire Math

Use a plain replacement interval: 8,000 miles. If a motorcycle rear tire costs $500 installed and a darkside car tire costs $100, the spread is $400 every time the rear tire comes due.

Motorcycle rear $500 / 8,000 mi 6.25 cents per mile

Darkside rear $100 / 8,000 mi 1.25 cents per mile

Difference $400 / 8,000 mi 5 cents per mile saved

Annualized for a Normal Rider

At 6,000 miles per year, you use 75% of an 8,000-mile rear tire cycle. That makes the annualized motorcycle-tire cost $375 and the annualized darkside cost $75.

Motorcycle tire cost per year: $375
Darkside tire cost per year: $75
Annual tire savings: $300

Does It Cover the Gas Bill?

Using a 40 mpg touring-bike estimate and the AAA national regular average of $3.981 per gallon on July 17, 2026, 6,000 miles burns about 150 gallons. That puts the annual gas bill around $597.

$300 saved / $597 gas = 50.2% of the annual gas bill

So the strict answer is no, it does not cover the whole year of fuel. It covers about half. Put another way, the tire savings buys roughly 75 gallons of regular gas, or about 3,000 miles of riding at 40 mpg.

Fuel price source: AAA Gas Prices national regular average, July 17, 2026.

The Real-World Read

The conservative math is already strong because it assumes both tires are replaced at the same 8,000-mile interval. If a rider gets longer service from the car tire, or if the motorcycle rear costs more than $500 in their area, the savings spread gets wider.

That is why darksiding feels like a gift that keeps on giving for some touring riders. It is not magic money, and every rider still has to verify fitment, clearance, pressure, load rating, and local rules. But the economics are real enough to deserve a spot beside the ride reports.