What Bike Bros does

Bike Bros (バイクブロス) is a Japanese motorcycle information portal operated by Proto Corporation (株式会社プロトコーポレーション), a Nagoya-headquartered media and information services group founded in 1977. The portal functions as a vertical content destination for motorcycle enthusiasts in Japan, aggregating product listings, editorial content, manufacturer news, owner community features, and price/valuation tools around new and used two-wheelers. Core product surfaces include a Web Magazine section, New and Used Bike Search across manufacturers, a Catalog/spec database, a community with diaries, touring reports and custom-build showcases, news, and a motorcycle buyout/multiple-quote brokerage service that connects sellers with multiple buyer offers.

The platform operates a free membership model with no entry or annual fee, with monetization derived from advertising (MicroAd, Google, Rakuten, LINE Yahoo ad networks), affiliate/referral fees from dealer partners, manufacturer partnerships, and the Brand Voice content program for parts and accessories brands. Sub-brand sites cover major import franchises (Virgin Harley, Virgin BMW, Virgin Ducati, Virgin Triumph), giving dedicated editorial and listing surfaces for imported models alongside domestic manufacturers (Honda, Yamaha, Kawasaki, Suzuki). User authentication is provided via single sign-on through Yahoo, Google and LINE. The platform was historically integrated with a shopping/e-commerce service (Bike Bros Shopping) that was discontinued in January 2019 after approximately 13 years and an estimated 2 million cumulative users, indicating a deliberate narrowing back to the media-and-information core. Technology stack evidence is limited to standard web analytics (Google Analytics) and third-party ad/SSO integrations; no proprietary platform architecture, machine learning, or data flywheel mechanics are disclosed.

The business serves Japanese motorcycle riders and hobbyists as end consumers, with dealer/manufacturer partners as the monetizing counterparty. Bike Bros sits within Proto Corporation's broader automotive and mobility information portfolio (sibling properties include the car information portal goo-net), suggesting that Bike Bros functions as a vertical specialist within a larger diversified media group rather than as a standalone venture. Geographic scope is Japan-only; no international expansion is evidenced.

Name

Bike Bros

Legal name

株式会社プロトコーポレーション (PROTO CORPORATION)

Website

https://bikebros.co.jp

Company type

Private

Founded year

1977

Operating status

Operating

Headcount range

1–10 employees

Short description

Bike Bros is a Japanese motorcycle information portal operated by Proto Corporation, offering editorial content, new/used bike search, catalog data, a rider community, and a buyout brokerage service to Japanese motorcycle enthusiasts, monetized via advertising and affiliate fees.

Ownership category

akta.pro rank

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Others

Revenue model

1. Advertising revenue: Bike Bros generates revenue primarily through display and banner advertising on its web portal. The site carries web advertisements across its news, magazine, and community pages, with ad inventory sold to motorcycle parts, accessories, and related brands. Ad operations are managed in coordination with the Proto Corporation group.
2. Affiliate / referral fees (motorcycle valuation service): The platform refers users to motorcycle valuation and trade-in services, earning referral fees when users engage with partner buying/selling services. The bike valuation service connects users with partner dealers and buying companies, generating transaction-referral revenue.
3. Web advertising (third-party ad networks): The platform uses third-party ad targeting networks (MicroAd, Google, Rakuten, LINE Yahoo) for ad delivery and targeting, contributing to overall advertising revenue.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels7 records

Core offering

Bike Bros operates a motorcycle information portal serving Japanese riders with a web magazine of news, test ride impressions, and maintenance content; a new/used motorcycle search database aggregating dealer listings nationwide; a comprehensive motorcycle catalog; an active rider community with diaries, touring reports, and custom build showcases; and rider support services including motorcycle buyout/competitive quotes, transport estimates, vehicle insurance, and roadside assistance. The platform also operates brand-specific satellite sites for Harley-Davidson, BMW, Ducati, and Triumph enthusiasts.

Product overview

BikeBros. is a comprehensive motorcycle media and marketplace platform operated by Proto Corporation. The core offering consists of a web magazine with motorcycle articles, reviews, and maintenance content; a new/used motorcycle search database; a catalog search; and a social community platform. The company operates brand-specific satellite sites (Virgin Harley, Virgin BMW, Virgin Ducati, Virgin Triumph) for import motorcycle brands. Additional services include a motorcycle buyout/multiple-quote service, rider support features (transport, insurance, roadside assistance), brand directory, and brand voice blog platform. The platform's e-commerce shopping service closed in January 2019 after 13 years of operation. The product ecosystem functions as an integrated motorcycle lifestyle portal rather than a single unified software product.

Differentiator

Problem solved

Functional benefit

Brands

• BikeBros.VALUE: A value-focused sub-brand offering motorcycle parts and accessories.

Products and services

• BikeBros Web Magazine (バイクブロス・ウェブマガジン) Online motorcycle media platform providing articles, reviews, test ride impressions, maintenance tips, touring information, and buyer guides across categories including sports, naked bikes, cruisers, big scooters, and off-road motorcycles.
• New/Used Motorcycle Search (新車・中古バイク検索)

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

Integration8 records

Partnerships

Five partnerships are on record, tiered core.

• Proto Corporation (プロトコーポレーション)OthersBike Bros is operated by Proto Corporation, the parent company providing the platform infrastructure, corporate governance, data management systems, and cross-portal synergies with other automotive information services (goo-net, goobike.com, goo-net Pit, goo-net Kaitori). The relationship is vertical (parent-subsidiary) within the broader Proto Corporation group of companies, which includes subsidiaries such as Goo-net Exchange, Proto Rios, Car Credo, Proto Solutions, Autoway, Tire World Kan Best, Proto Ventures, Cosmic Ryutsu Kogyo, Kankokeizai Shimbun, Yossyaa Komagane, and others.
• Motorcycle manufacturers (Honda, Yamaha, Kawasaki, Suzuki, Harley-Davidson, BMW, Ducati, Triumph, and others)coreStrategic or Co-development PartnerMajor Japanese and international motorcycle manufacturers provide news content, new model information, press materials, and sometimes sponsored editorial features to the platform. These manufacturers rely on Bike Bros as a content distribution and marketing channel to reach Japanese motorcycle riders. The platform also provides dedicated brand-specific sub-sites (Virgin Harley, Virgin BMW, Virgin Ducati, Virgin Triumph) for Harley-Davidson, BMW, Ducati, and Triumph respectively.
• Motorcycle parts and accessories brandscoreGTM or Marketing PartnerParts and accessories brands (Shoei, Arai, KUSHITANI, Kijima,SP Tadao, and many others) publish sponsored editorial content, product announcements, and brand blogs through the Bike Bros Brand Voice program. These brands use the platform as a direct-to-rider marketing channel, reaching engaged motorcycle enthusiasts who are actively researching parts and accessories purchases.
• Bike valuation / motorcycle buying service partnerscoreChannel Partner/ Reseller/ DistributorThe bike valuation and trade-in service (kaitori.bikebros.co.jp) connects users with multiple motorcycle buying companies. These partner companies include Bike-Oh (バイク王, with 2 million+ cumulative units processed), Bike Land, Bike-Oh, Squad Kyushu, BVC Bike Kyushu, and others. Users input their bike details and receive multiple competitive bids, with the platform acting as an intermediary/aggregator.
• Proto Corporation group companies (Goonet Exchange, Proto Rios, Car Credo, Proto Solutions, Autoway, Tire World Kan Best, etc.)coreStrategic or Co-development PartnerWithin the Proto Corporation group, customer data is jointly managed across subsidiary companies for service improvement and cross-promotion purposes. Goonet Exchange operates the used car platform goo-net Exchange; Proto Rios provides automotive inspection services; Car Credo operates automotive dealership solutions; Autoway and Tire World Kan Best operate in the tire/wheel retail space. These sister companies form a broader automotive/mobility ecosystem that Bike Bros connects to for cross-selling and data synergy.

Scale indicators2 records

Recent moves7 records

Expansion highlights4 records

Broad incumbents

• RevZilla: RevZilla is a US motorcycle gear and parts retailer that combines e-commerce with extensive educational editorial content and video; comparable to Bike Bros in combining transactional revenue with branded content/media.
• RideApart: RideApart is a US-based motorcycle enthusiast media site covering reviews, news, and long-form features; comparable to Bike Bros as an editorial-led, community-oriented motorcycling publication.
• Motorcycle.com: Motorcycle.com is a long-running US-based motorcycle news and review portal that performs an analogous editorial-plus-search role to Bike Bros for global/English-speaking riders; useful as a comparable incumbent motorcycling media brand.
• MCN (Motor Cycle News): MCN is a UK-based motorcycle news, reviews, and marketplace media platform from Bauer Media; it overlaps with Bike Bros on editorial coverage, listings aggregation, and motorcyclist community engagement.

Emerging players

• Bike EXIF: Bike EXIF is a global custom-motorcycle content site that overlaps with Bike Bros' Virgin-brand and custom-build enthusiast verticals, focused on premium niche authority rather than mass-market coverage.

Direct peers

• Webike Japan: Webike operates Japan's largest motorcycle parts and accessories e-commerce site with deep product catalog and editorial content; it overlaps with Bike Bros in motorcycle gear shopping intent and enthusiast content.
• GooBike: GooBike is the new/used motorcycle marketplace and media portal operated by Proto Corporation alongside Bike Bros; their combined scope makes it the closest direct peer for motorcycle search, listings, and rider content in Japan.
• Young Machine: Young Machine is Japan's leading motorcycle magazine and digital media outlet covering new model launches, test rides, and custom bike content — directly comparable to Bike Bros' editorial/UGC offering for Japanese riders.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/BikeBrosMagazin
• Facebookfacebook.com/BBediters

Revenue estimate

Valuation estimate

Number of profiles

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 Bike Bros