The Five Most Popular Royal Enfield Interceptor 650 Custom Builds
At GRID Motorcycles - we don’t just sell stock Royal Enfield’s. We love making customers their dream bikes. We love making them for ourselves too! So we spend a lot of time researching our favourite custom builds from around the world. The Royal Enfield Interceptor 650 has quickly become a darling of the custom motorcycle scene. Its accessible price point, reliable twin-cylinder engine, and classic chassis provide a perfect canvas for personalization. Here are the five most popular custom build styles for the Interceptor 650, detailing the main modifications, estimated costs, and examples of the best versions from around the web.
‘Twins FT’: A Royal Enfield x Harris flat tracker
1. Café Racer
The quintessential classic custom, the Café Racer build strips the Interceptor back to its sporty essentials, optimizing it for speed and handling.
Main Modifications
Handlebars: Clip-ons or low-slung clubman bars for an aggressive riding posture.
Seat: A single-seat cowl or a flat, narrow bench seat.
Exhaust: Short, upswept reverse cone mufflers or a 2-into-1 system for weight reduction and a throatier sound.
Suspension: Often includes adjustable rear shocks (e.g., YSS, Öhlins) and sometimes fork internals upgrades.
Aesthetics: Bar-end mirrors, minimal fenders, and a headlight fairing.
Estimated Modification Costs (AUD)
Modification
Estimated Price Range (AUD)
Clip-on Handlebars & Grips
$150 - $400
Seat/Cowl
$300 - $650
Full Exhaust System
$800 - $2,000
Rear Shocks (Entry to Mid-range)
$600 - $1,500
Total Estimated Cost
$1,850 - $4,550+
Our favourite examples:
Royal Enfield Interceptor 650 by KSpeed
EARTH MOTO - HUNCUT ROYAL ENFIELD 650 interceptor 2021
Zeus Customs Royal Enfield Interceptor 650 Cafe Racer
2. Scrambler
Designed for both the street and light off-road trails, the Scrambler build gives the Interceptor a rugged, go-anywhere attitude. This custom style has become so popular that it inspired Royal Enfield to produce a Scrambler style spin off of the Interceptor - the Bear 650 which was released in 2025.
The BSMC x Pom Klementieff Royal Enfield 650 Scrambler
Main Modifications
Tyres: Aggressive dual-sport or knobby tyres (e.g., Pirelli Scorpion Rally STR, Continental TKC 80).
Exhaust: High-mounted, protected exhaust system (often 2-into-2) to improve ground clearance.
Suspension: Longer-travel suspension, especially new rear shocks and often fork extenders or internals for added height and travel.
Protection: Engine bash plate, headlight grille, and handguards.
Aesthetics: Raised fenders, reinforced handlebars, and a ribbed bench seat.
Modification
Estimated Price Range (AUD)
Dual-Sport Tyres (Pair)
$450 - $700
High-Mount Exhaust System
$900 - $2,500
Long-Travel Rear Shocks
$800 - $2,000
Engine Bash Plate & Protection
$200 - $500
Total Estimated Cost
$2,350 - $5,700+
Our favourite examples:
The Mudslinger: Interceptor 650 Scrambler
Modified Royal Enfield Interceptor 650 scrambler: Fit for Max of Mad Max Fury Road
Royal Enfield x Pando Moto Interceptor 650 Custom
STG Tracker Interceptor 650 Scrambler
3. Flat Tracker
A racing-inspired build that echoes the dirt track racers of the 1970s, prioritizing low weight, aggressive handling, and minimalist style.
‘Twins FT’: A Royal Enfield x Harris flat tracker
Main Modifications
Wheels/Tyres: Often uses 18-inch wheels front and back (if not stock) with flat track specific tyres (e.g., Dunlop K180).
Bodywork: Fiberglass or custom flat-tracker tail section, often with a number plate panel instead of a light.
Handlebars: Wide, high-rise flat track bars for leverage.
Exhaust: A short, custom 2-into-2 exhaust with open-ended cans, often exiting high on the right side.
Aesthetics: Removal of front brake (pure track style, but must be kept for street use), and a narrow seat.
Estimated Modification Costs (AUD)
Modification
Estimated Price Range (AUD)
Flat Track Tyres (Pair)
$400 - $750
Flat Track Tail/Seat Unit
$400 - $800
Wide Flat Track Handlebars
$100 - $250
Custom High-Mount Exhaust
$1,200 - $3,000
Total Estimated Cost
$2,100 - $4,800+
Our favourite examples:
AFT Interceptor Flat Tracker
“Intertracker” by Wanaka Powersports
Jillian Deschenes' Royal Enfield flat tracker
4. Brat Style
Originating in Japan, the Brat style focuses on low, clean lines and ease of riding. It's a blend of the bobber's stripped-down look and the café racer's flat profile, but with a more relaxed riding position.
Royal Enfield Interceptor 650 by Sold Out Motorcycles
Main Modifications
Seat: A thick, horizontally ribbed, low-profile bench seat running the length of the subframe.
Fenders: Very short, highly cropped fenders or none at all.
Handlebars: Low, wide handlebars (e.g., LSL Street Bars).
Tyres: Often uses classic Firestone or chunky treaded tyres for a retro look.
Lighting: Minimal, often small LED turn signals and a low-slung stop light.
Estimated Modification Costs (AUD)
Modification
Estimated Price Range (AUD)
Brat Style Bench Seat
$400 - $700
Low-Profile Handlebars
$100 - $300
Minimal Lighting/Wiring Clean-up
$250 - $600
Tyres (Chunky Retro Style)
$500 - $900
Total Estimated Cost
$1,250 - $2,500+
Our favourite examples:
Bulleteer Customs Brats
Bulleteer Customs Brats
Old Empire’s Custom Royal Enfield Interceptor
5. Bobber
The Bobber is about removing excess weight and simplifying the machine, resulting in a muscular, low-slung stance characterized by fat tyres and minimal bodywork.
ROYAL RIGID: Enfield 650 Bobber by Rajputana Customs
Main Modifications
Seat: Single spring-mounted or low-profile solo seat.
Fenders: Chopped rear fender, often "floating" just above the rear wheel, and often no front fender.
Tyres: Wider, often fatter tyres on the stock or custom rims to give a more imposing stance.
Lighting: Side-mounted license plate and a small taillight/brake light combo.
Stance: Lowered rear suspension (shorter shocks) and often repositioned foot controls.
Estimated Modification Costs (AUD)
Modification
Estimated Price Range (AUD)
Solo Bobber Seat & Mounts
$400 - $850
Chopped/Custom Fenders
$300 - $700
Shorter Rear Shocks
$400 - $1,200
Side-Mount Plate/Light
$150 - $400
Total Estimated Cost
$1,250 - $3,150+
Our favourite examples:
Royal Enfield Interceptor 650 has been modified by Hardcore Custom
Bulleteer Customs Royal Enfield Bobber
So now you’ve had a look at what you can do with a Royal Enfield Interceptor 650 - what are you going to do with one? We’re releasing our GRID Signature Series custom bikes in the coming months so keep an eye on our website to see what we’re working on and how you can get your hands on one.
