SYSTEM all green source chainreactioncycles.com queue 12,841 pages p99 latency 218ms dataflirt.com · scraper/chainreactioncycles-com
RUN - 42 active pipelines - chainreactioncycles.com live

Cycling retail data,
at warehouse scale.

We extract bike specs, component listings, pricing signals, stock depth by variant, and customer reviews from Chain Reaction Cycles. Delivered as clean JSON, CSV, or Parquet to S3 or Snowflake.

Products extracted
84K /day
Price updates
312K /24h
Review records
1.4M /run
Active pipelines
42
Uptime
99.95%
Data Dictionary

Every field we extract from chainreactioncycles.com

Structured, schema-consistent data across all major object types — delivered clean, typed, and ready to query.

Complete list of extractable fields for Bikes & Frames objects from chainreactioncycles.com. All fields typed and schema-versioned.

product_idbrandmodelmodel_yearframe_materialgroupsetwheel_sizegeometry_chart_urlweight_kgpricecurrencystock_status
bikes_& frames
● 200 OK
"product_id": "CRC-849201",
"brand": "Vitus",
"model": "Sommet 297 CRX",
"model_year": 2024,
"frame_material": "Carbon",
"groupset": "SRAM X01 Eagle",
"wheel_size": "Mullet 29/27.5",
"price": 4299.99,
"currency": "GBP",
"stock_status": "In Stock"
# product_idbrandmodelmodel_yearframe_materialgroupset
1
2
3

Complete list of extractable fields for Components & Upgrades objects from chainreactioncycles.com. All fields typed and schema-versioned.

product_idcategorysub_categorybrandcompatibilitymaterialweight_gpricediscount_pctstock_by_variantsku
components_& upgrades
● 200 OK
"product_id": "CRC-11234",
"category": "Drivetrain",
"sub_category": "Cassettes",
"brand": "Shimano",
"compatibility": "12-speed",
"weight_g": 470,
"price": 119.99,
"discount_pct": 15,
"stock_by_variant": "['10-51T: In Stock', '10-45T: Out of Stock']"
# product_idcategorysub_categorybrandcompatibilitymaterial
1
2
3

Complete list of extractable fields for Apparel & Protection objects from chainreactioncycles.com. All fields typed and schema-versioned.

product_idbrandtypegendersize_chart_urlcolour_optionsstock_by_sizepriceratingreview_count
apparel_& protection
● 200 OK
"product_id": "CRC-99212",
"brand": "Endura",
"type": "Bib Shorts",
"gender": "Mens",
"colour_options": "['Black', 'Navy']",
"price": 89.99,
"rating": 4.7,
"review_count": 142,
"stock_by_size": "['S: Low Stock', 'M: In Stock', 'L: In Stock', 'XL: Out of Stock']"
# product_idbrandtypegendersize_chart_urlcolour_options
1
2
3

Complete list of extractable fields for Pricing & Stock objects from chainreactioncycles.com. All fields typed and schema-versioned.

product_idskupricerrpdiscount_absdiscount_pctcurrencystock_statuslow_stock_warningscraped_at
pricing_& stock
● 200 OK
"product_id": "CRC-849201",
"sku": "VIT-SOM-297-M",
"price": 4299.99,
"rrp": 4999.99,
"discount_abs": 700.0,
"discount_pct": 14,
"currency": "GBP",
"stock_status": "In Stock",
"low_stock_warning": true,
"scraped_at": "2026-05-12T09:14:00Z"
# product_idskupricerrpdiscount_absdiscount_pct
1
2
3

Complete list of extractable fields for Reviews & Q&A objects from chainreactioncycles.com. All fields typed and schema-versioned.

review_idproduct_idratingtitlebodyauthordateverified_buyerhelpful_votescountry
reviews_& q&a
● 200 OK
"review_id": "REV-883921",
"product_id": "CRC-11234",
"rating": 5,
"title": "Flawless shifting",
"body": "Replaced my old XT cassette with this. Shifts perfectly under load.",
"author": "TrailRider99",
"date": "2026-04-18",
"verified_buyer": true,
"helpful_votes": 12,
"country": "UK"
# review_idproduct_idratingtitlebodyauthor
1
2
3

Capabilities

Extract exact technical specifications and variant stock

Our scraper handles the complexity of cycling e-commerce: deep variant matrices for sizing, regional pricing localization, and dense technical component specifications.

Full Bike Specifications

Extract complete geometry tables, frame materials, suspension travel, and groupset breakdowns for complete builds.

Variant-Level Stock Tracking

Capture exact stock availability across complex matrices of size, colour, and component standards.

Dynamic Pricing & Clearance

Track RRP against current sale price, capture clearance badges, and calculate precise discount percentages.

Component Compatibility

Extract fitment tables, thread standards, axle spacing, and weight specifications for drivetrain and frame parts.

Customer Reviews

Mine paginated customer reviews for sentiment analysis on apparel fit, component durability, and verified buyer status.

Brand & Category Navigation

Crawl full brand indices and category trees to map the entire taxonomy of cycling equipment.

Multi-Region Support

Manage session cookies to extract localized pricing, currency, and stock levels for UK, US, EU, and AU markets.

Image & Media Extraction

Capture high-resolution product image URLs, technical diagrams, and geometry charts for catalogue population.

Scheduled + Streaming Modes

Run daily diffs to track fast-moving clearance stock or weekly full runs for complete catalogue syncs.

// engagement pipeline

From product URLs to warehouse records

Brief in. Clean data out.

Define Scope
d 0

Provide category URLs, specific brand targets, or full site crawl requirements. We design the extraction schema together.

Pipeline Build
d 2–4

We configure Scrapy / Playwright crawlers, proxy rotation, session management, and anti-bot handling for chainreactioncycles.com.

Validation & QA
d 4–6

Schema validation, null-rate checks, price-outlier detection, and variant matrix testing before full launch.

Delivery
ongoing

JSON / CSV / Parquet pushed to your S3 bucket, Snowflake stage, or Postgres database on agreed cadence.

Under the hood

How our pipeline handles cycling e-commerce complexity

Extracting accurate data from Chain Reaction Cycles requires navigating complex variant dropdowns and regional localization. Here is how we maintain data integrity.

pipeline-monitor · chainreactioncycles.com · live ● active
// fingerprinting
Identity rotation
TLS fingerprintrandomised
User-agentrotated
IP poolresidential
Challenges blocked0
// pagination
Page coverage
48,291 pages queued running
// observability
Pipeline health
99.9%
uptime
142ms
p99 lat
0.3%
null rate
2
alerts
Anti-bot layer
Bypassing perimeter defenses

We deploy residential ISP proxies and Playwright sessions to mimic legitimate human browsing, bypassing Cloudflare challenges and rate limits that block standard HTTP clients.

Variant matrix extraction
Handling complex size and colour dropdowns

Cycling apparel and components have deep variant matrices. We execute JavaScript to iterate through all size, colour, and specification combinations to capture accurate stock and pricing per SKU.

Multi-region pricing
Managing session cookies for localized data

Pricing and stock vary wildly by region. We manage strict cookie sessions and regional proxy targeting to ensure you receive the correct GBP, USD, or EUR pricing without cross-contamination.

Schema stability
Fallback selectors for promotional layouts

Sales events change DOM structures frequently. We use multiple fallback chains for critical fields like price and stock status, ensuring your pipeline does not break during Black Friday or clearance events.

Monitoring & alerting
Detecting null-rates in critical spec fields

We monitor extraction yields for crucial technical specs like weight and compatibility. If structural changes cause data drops, our observability stack alerts our engineers immediately.

Applications

Who uses Chain Reaction Cycles data

Teams across industries use chainreactioncycles.com data to build competitive products and smarter operations.

01
Competitor Price Monitoring

Cycling retailers track RRP against actual sale prices to optimise their own promotional calendars and maintain margin.

02
Inventory & Assortment Planning

Brands analyse stock gaps in specific apparel sizes or component standards to forecast demand and adjust production.

03
Brand MAP Enforcement

Premium cycling brands monitor listings to detect unauthorised discounting and protect their brand equity.

04
Market Research

Industry analysts track the adoption of trending component standards, such as 12-speed drivetrains or tubeless tyres.

05
AI Training Data

Machine learning teams feed cycling-specific LLMs with accurate component compatibility matrices and technical specifications.

06
Consumer Sentiment Analysis

Product teams mine review text to gather feedback on apparel fit, real-world component durability, and common failure points.

Why DataFlirt

"Chain Reaction Cycles holds the definitive catalogue of modern cycling components, but extracting exact variant stock and geometry data requires precision infrastructure."

Most teams underestimate the complexity of cycling e-commerce. Scraping Chain Reaction Cycles requires handling deep variant matrices, multi-region session localization, and Cloudflare circumvention. DataFlirt absorbs that complexity so your engineers can focus on analysis, not infrastructure.

Technical Spec

Chain Reaction Cycles scraper - technical capabilities

Everything supported by our chainreactioncycles.com scraper — rendered SPA elements, auth walls, rate-limit evasion and beyond.

JavaScript rendering
Full Playwright sessions required for variant selection and dynamic stock loading
Supported
CAPTCHA bypass
Automated solver integration for perimeter defense challenges
Supported
Residential proxy rotation
ISP-grade residential IPs rotated to maintain clean request profiles
Supported
Multi-region localization
Cookie and header management for specific country pricing and stock
Supported
Variant/variation mapping
Extraction of all size, colour, and spec combinations per product
Supported
Geometry chart extraction
Parsing tabular geometry data into structured JSON objects
Supported
Review pagination
Crawling all pages of customer reviews for complete sentiment analysis
Supported
Change detection (diffs)
Hash-based diffing to only emit records with changed price or stock
Supported
Loyalty point balances
Requires user authentication and account credentials
Partial
Saved wishlists
User-specific state behind login walls
Partial
Infrastructure

Infrastructure powering the pipeline

Open-source tooling on proven cloud infra — no vendor lock-in, full observability.

ScrapyPlaywrightPython 3.12RedisPostgreSQLApache AirflowAWS LambdaS3CloudWatch2CaptchaCapSolverResidential ProxiesDockerKubernetesGrafanaPrometheus
Scrapy + Playwright Stack

Scrapy handles crawl orchestration, deduplication, and retry logic. Playwright handles JavaScript rendering, cookie sessions, and interaction flows. Combined via scrapy-playwright middleware.

Residential Proxy Infrastructure

We maintain pools of residential ISP proxies across target regions. Rotation happens per-request with sticky sessions where required. IP score monitoring prevents blacklisted pool contamination.

Cloud-Native Orchestration

Pipelines run on AWS Lambda (burst) and ECS (sustained). Airflow handles scheduling, dependency management, and SLA alerting. All state stored in managed Postgres.

Output & Delivery

Your data, your destination

Data delivered to where your team already works — no new tooling required.

JSON
Newline-delimited or nested - schema versioned per run
CSV
Flat file with typed columns - Excel/Sheets compatible
XLS
Legacy spreadsheet format for business analysts
Parquet
Columnar format for BigQuery, Snowflake, Athena
AWS S3
Direct bucket delivery - compatible with any data lake
Webhook
HTTP POST per record for real-time downstream processing
API
REST endpoints to query extracted records on demand
PostgreSQL
Upsert into your existing schema with conflict resolution
Snowflake
Stage + COPY INTO workflow - incremental or full-replace
BigQuery
Streamed directly into your dataset with schema auto-detect
S3
Direct bucket delivery — compatible with any data lake
// faq

Common questions.

About chainreactioncycles.com scraping, legality, and pipeline operations.

Ask us directly →
Is scraping Chain Reaction Cycles legal?

Scraping publicly available product, pricing, and review data is generally permissible. DataFlirt targets only public, non-authenticated catalog data. We do not extract personal user data or circumvent authentication walls.

How do you handle Cloudflare and anti-bot systems?

We use residential ISP proxies, full Playwright browser sessions with realistic fingerprints, and request timing modelled on human behaviour to navigate perimeter defenses without triggering blocks.

Can you extract localized pricing for different countries?

Yes. We manage session cookies and proxy geographic targeting to extract precise GBP, USD, EUR, or AUD pricing and corresponding regional stock availability.

How do you handle complex variant stock (size/colour)?

Our Playwright integration iterates through all available dropdown combinations on the product page, capturing the exact stock status and SKU for every size and colour variant.

How fresh is the data?

We can configure pipelines for daily full-catalogue syncs or higher-frequency runs targeting specific high-value categories or clearance sections to track fast-moving stock.

What is the minimum viable engagement?

Our smallest packages start at defined category or brand lists with weekly delivery. For full-site crawls, we price based on volume and delivery frequency.

Can I request a sample dataset before committing?

Yes. We provide a sample run of up to 500 products as part of the pre-engagement scoping process so you can validate schema fit and variant extraction quality.

$ dataflirt scope --new-project --source=chainreactioncycles.com ready

Tell us what
to extract.
We do the rest.

20-minute scoping call. Pilot dataset within the week. Production within two. Whether you need a one-off component catalogue dump or a continuous price-monitoring feed across 80K SKUs, we scope, build, and operate the pipeline. Tell us what you need.

hello@dataflirt.com · Bengaluru · IST · typical reply < 4h
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