MC (Motorcycle Club) Romance
Diesel’s Claim: A Curvy Girl and a Possessive President MC Romance (Iron Vow MC Book 1)
Amazon Bestseller · #4 in Action & Adventure Romance
Book 1 in the Iron Vow MC series · Reading order →
SpiceDarkness
- Kindle, paperback & audiobook on Amazon
- Spice & darkness rated — content warnings listed below
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Why we recommend it
An Iron Vow MC romance featuring a possessive club president and a curvy heroine he's determined to claim. Expect adoring obsession, the body-positive heat of a hero who worships every curve, and the danger that comes with club territory. Possessive devotion and protective ferocity drive the story. A confidence-boosting pick for readers who want their bikers worshipful, their heroines celebrated, and their romance unapologetically hot.
At a glance
Diesel’s Claim is book 1 in Tessa Knox’s Iron Vow MC series. Spice 4/5, darkness 3/5 — on the lighter side for motorcycle club romance. Among 312 rated motorcycle club romance books, 11% are less dark and 28% less spicy. Tagged tropes include size difference, dark protector and alpha hero. Size difference is one of the less common tropes in our catalogue. It is about as dark as Tessa Knox’s other books on Readark (average darkness 3.2/5). 1 content warning is listed below, hidden until you tap.
Book details
- Published
- February 2026
Diesel’s Claim spice level
Diesel’s Claim is rated 4/5 for spice on Readark’s scale: explicit and frequent, meaning multiple detailed scenes, with heat central to the story. Its darkness rating is 3/5: genuinely dark, meaning violence, coercion or captivity drive the plot, not just the mood. How we rate
Diesel’s Claim content warnings
We list 1 content warning for this book. It stays hidden until you tap, so you can check without spoilers.
Content warnings (tap to reveal)
- Graphic Violence
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