Diesel: An Age Gap and a Grease Monkey Biker MC Romance (Iron Brotherhood MC #11)

Tessa Knox


Rated: 5.00 of 5 stars
5.00 ·
[?] · 1 rating · 100 pages · Published: 22 Mar 2026

I walked into that garage with everything to prove and nothing to lose.

Diesel was gruff, intimidating, and looked at me like I was a problem he didn't have time for. But when I diagnosed an engine failure every other mechanic had missed, something shifted behind those storm-gray eyes — something he clearly wished he could ignore.

He's forty-five. I'm twenty-five. He's my boss, my mentor, and the most infuriating man I've ever met. He drinks his coffee black, talks to motorcycles like they're old friends, and hasn't let anyone past his walls in fifteen years.

I should know better. He's all wrong for me — too old, too guarded, too broken by a past he won't talk about.

But his hands shake when I'm close. And when he finally says my name like it matters, I know I'll never be the same.

Some engines just need the right mechanic.

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