Fastline Group

What Fastline Group does

Fastline Group operates Rental Kart Parts (rentalkartparts.com), a UK-incorporated (Rental Kart Parts Ltd) e-commerce specialist serving the rental kart industry rather than the racing kart market. Its customer base is professional rental kart track operators who buy aftermarket parts and consumables to minimize fleet downtime, with additional reach into individual kart owners and quad-vehicle operators. The catalog is organized into category pages covering Honda GX series engine components (GX200, GX270, GX390), brakes, steering, drive and axle components, bodywork, fuel systems, clutches (dry and wet), safety gear (helmets, racing suits, gloves, neck braces), timing systems (via MyLaps and DeHaardt), and workshop supplies, alongside proprietary Fastline-branded SKUs (Seat Insert, Helmet Sanitizer, Neck Brace).

The platform is built on Shopify, with live inventory visibility, a mobile parts finder, and an in-house picking operation in Lincolnshire that uses barcode-scanned dispatch and bespoke AI tooling to accelerate parcel dispatch. Orders are picked, scanned, and shipped directly rather than drop-shipped, and the storefront exposes multi-region pricing and language selection (English, Spanish, French) supporting global shipping from a UK base.

Revenue comes from one-time parts and accessories sales at unit pricing (typical SKUs range from roughly £22 to £126) plus a Trade Account program offering wholesale pricing up to 30% off standard retail, priority stock allocation, and dedicated account management for professional operators. The company is founder-led (Simo, founder) with a four-person core team covering operations, multi-lingual sales (Katrine for Europe and Latin America), and warehouse/logistics (Mark), and operates without disclosed external funding.

Name

Fastline Group

Legal name

Rental Kart Parts Ltd

Website

https://fastlinegroup.com

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

Rental Kart Parts (Fastline Group) is a UK-based Shopify e-commerce specialist selling aftermarket parts, safety gear, and timing systems to rental kart track operators worldwide, supported by a trade-account program, live inventory, and same-day barcode-scanned dispatch from a Lincolnshire warehouse.

Ownership category

akta.pro rank

Product category

Aftermarket Kart Parts Retail

akta.pro primary industry

Go-Kart & Recreational Kart Manufacturing (IMACAEAI)

Keywords

• Rental kart parts
• Go-kart components
• Aftermarket kart spares
• Honda GX engine parts
• Kart safety equipment

Headquarters

HQ city

Camberley

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Parts and Accessories Sales: Sale of aftermarket go-kart parts, Honda GX engine components, racing apparel, timing systems and workshop supplies to rental kart operators. Products sold include brakes, steering, drive components, bodywork, engine parts, fuel systems, and safety equipment.
2. Trade Account Pricing: Professional kart tracks and regular business buyers can apply for trade accounts to receive wholesale pricing with discounts up to 30%.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Fastline Group operates Rental Kart Parts (RKP), a Shopify-based e-commerce platform that sells aftermarket go-kart parts, Honda GX engine components, safety gear, timing systems, and workshop supplies specifically to rental kart track operators. The business combines a direct retail storefront with a Trade Account Program offering wholesale pricing up to 30% off, supported by a UK warehouse running barcode-scanned dispatch, live inventory, and AI-assisted fulfilment.

Product overview

Fastline Group operates Rental Kart Parts (RKP), a B2B e-commerce platform and product catalog specializing in aftermarket go-kart parts and accessories for rental kart track operators. The offering is a single unified e-commerce platform (not a modular platform) that combines an online parts store with trade account services, inventory management, and parts identification support. The core product is the RKP e-commerce platform (rentalkartparts.com) which sells a comprehensive range of kart parts organized into categories including Kart Parts (Honda GX engine components, axle, bearings, brakes, bodywork, drive components, fuel systems, gaskets, steering), Clutches (dry and wet), Helmets & Headwear, Clothing & Safety gear, Timing & Shutdown systems, and proprietary Fastline-branded products (Fastline Seat Insert, Fastline Helmet Sanitizer, Fastline Neck Brace). The company also offers a Mobile Parts Finder tool and a Trade Account Program with wholesale pricing up to 30% discount for professional operators.

Differentiator

Problem solved

Functional benefit

Brands

• Fastline: Private label brand for karting safety and equipment products including helmets, neck braces, and sanitizers

Products and services

• Fastline Seat Insert

Named customers1 record

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered core.

• MyLapscoreTechnology or IntegrationMyLaps timing systems are sold through Rental Kart Parts as part of the timing and shutdowns product category. MyLaps provides professional karting timing solutions.
• DeHaardtcoreTechnology or IntegrationDeHaardt products are offered in the timing and shutdowns category at Rental Kart Parts, providing timing solutions for rental kart tracks.
• HondacoreTechnology or IntegrationHonda GX series engines (GX200, GX270, GX390) are the primary engines used in rental karts. Rental Kart Parts stocks a comprehensive range of aftermarket Honda parts including carburettors, gaskets, bearings, drive components, and engine accessories specifically for these models.

Scale indicators1 record

Recent moves6 records

Expansion highlights4 records

Direct peers

• Sodi Kart: French manufacturer of rental and leisure karts. Fastline explicitly stocks 'Aftermarket Sodi' parts, making Sodi a direct counterpart in the rental kart parts ecosystem where both supply to the same operator base.
• Rimo: German kart manufacturer. Fastline lists 'Aftermarket Rimo' parts, making Rimo a direct peer whose parts catalog Fastline distributes for the rental kart base.
• Biz Kart: Italian kart manufacturer whose aftermarket parts Fastline distributes ('Aftermarket Biz'). Comparable as a peer supplier to rental kart operators through the same aftermarket channel.
• TB Kart (Tecno Kart): Italian kart OEM (Tecno/TB brand). Fastline stocks 'Aftermarket TB' parts, making TB Kart a direct peer in aftermarket parts distribution for rental kart operators.

Broad incumbents

• OTK Kart Group (Tony Kart): Major Italian kart OEM group encompassing Tony Kart and other chassis brands with established parts distribution. Comparable as a large incumbent offering kart and parts that compete for the same rental/track operator spend.
• IAME: Leading kart engine manufacturer (X30, Leopard, Mini Swift classes). While Fastline focuses on Honda GX engines, IAME competes for the same engine-and-engine-parts budget at rental and racing tracks.
• CRG: Italian kart manufacturer with a global parts distribution network. Overlaps with Fastline as a supplier of chassis components and aftermarket spares to kart tracks and operators.
• Birel ART: Italian kart manufacturer producing chassis, karts, and aftermarket components. Comparable as a broad incumbent serving the same operator audience with overlapping parts categories.

Others

• Honda Power Equipment: OEM of Honda GX-series small engines (GX200, GX270, GX390) that are the dominant engines in rental karts. Comparable as an upstream supplier whose engine parts form the backbone of Fastline's catalog.
• MyLaps: Timing systems provider for karting and motorsport. Listed as a Fastline partnership (MyLaps timing products sold through RKP), making it an ecosystem/adjacent participant serving the same rental track customers.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/FastlineGroupUK

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Fastline Group