Most Harleys are built to cruise; this one was built to cause trouble.

Rocket Bobs ‘Pressure Drop’

The V‑Twin street racer called “Pressure Drop” is Rocket Bobs Cycle Works’ hand‑built, bare‑metal brawler. It debuted at Harley‑Davidson’s 115th Anniversary Custom Show in Prague and took home the title of World’s Best V‑Twin 2018 in front of more than 100,000 riders.

“I was honored to be asked by Harley-Davidson to showcase one of our custom motorcycles at the 115th anniversary celebrations in Prague, and to take the ‘World’s Best V-Twin 2018’ award amongst such strong competition is an overwhelming experience”. – Pete ‘Rocket Bob’ Pearson

Rocket Bobs Pressure Drop custom subframe

That subframe is a work of art

At the center is a 135” JIMS race engine mounted in a custom Rocket Bobs frame with a matching swingarm. Power runs through a Baker Grudge Box transmission to Rotobox Boost carbon wheels. Suspension is handled by a full race Marzocchi front end and a Nitron mono shock in the rear.

The build includes an aluminum tank by Rocket Bobs, Magura HC3 controls, HEL radial front brakes, and a Rocket Bobs rear brake setup. Fueling comes from a Mikuni HSR 48 mm carburetor with ignition by Thunderheart.

It took Pete ‘Rocket Bob’ Pearson a year to design and plan, and three months to build the bike. The bike weighs about 420 lbs wet, and every component was chosen to perform as well as it looks.

Build Spec Overview

Engine: 135″ JIMS race engine
Transmission: Baker Grudge Box
Frame & Swingarm: Custom Rocket Bobs steel chassis
Front Fork: Full race Marzocchi
Rear Shock: Nitron race mono shock
Wheels: Rotobox Boost carbon
Carburettor: Mikuni HSR 48 mm
Ignition: Thunderheart
Brakes: HEL radial calipers (front), Rocket Bobs setup (rear)
Controls: Magura HC3 hand controls

All you need, and nothing you don’t

This Harley is a troublemaker from the ground up. The geometry, the engine, and the suspension were built for doing hoodrat shit — fast. Every line screams speed and aggression. The seat? Minimal. Comfort? Not the point. Built to raise hell and shred tarmac.

Would you take this amped up Streetfighter for a rip?

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Photos: Horst Roesler