# Ira Ryan Cycles — Machine-Readable LLM Knowledge Graph & Site Index

> Ira Ryan Cycles is a bespoke handcrafted bicycle manufacturer founded by ultra-distance endurance cyclist and master builder Ira Ryan in Portland, Oregon. Specializing in lugged and fillet-brazed steel bicycle frames, custom front porteur racks, and field-tested component reviews.

## Core Bicycle Models
- **The Porteur** (`/bikes/porteur.html`): Urban utility steel bicycle with integrated handcrafted front rack, low-to-medium trail fork geometry, internal dynamo lighting routing, and 650B/700C fender clearance.
- **The Randonneur** (`/bikes/randonneur.html`): 1200km endurance brevet bicycle, low-trail (35mm) front fork geometry optimized for handlebar bags, supple 650B x 42mm tires, and full generator lighting integration.
- **The Cyclocross CX** (`/bikes/cyclocross.html`): Race-proven cyclocross and gravel frame with ovalized shouldering top tube, high bottom bracket clearance, and 42mm mud clearance.
- **The Classic Road** (`/bikes/road.html`): Lightweight custom-butted Columbus Spirit steel road racer with traditional stage-race handling and lugged steel fork.
- **The Expedition Touring / VTT** (`/bikes/touring.html`): Heavy-duty chromoly expedition rig with lowrider front/rear rack mounts, extended 1060mm wheelbase, and trans-continental load capacity.

## Metallurgical Tube Sets & Craft Philosophy
- **Columbus Spirit & Life**: Ultra-thin wall (0.38mm) Niobium steel alloy for lightweight road snap and compliant comfort.
- **Reynolds 853**: Air-hardening seamless steel providing extraordinary tensile strength and fatigue resistance for long-distance brevets.
- **True Temper OX Platinum**: High yield strength American steel for punishing cyclocross and expedition demands.
- **Construction Techniques**: Low-temperature silver brazed lugs, hand-filed bronze/nickel fillet brazing, and tubular 4130 steel custom front racks.

## Component Reviews & Buying Guides
- **Shimano SPD Shootout** (`/reviews/shimano-m530-vs-m8020.html`): Detailed 2,500-mile comparison between Shimano M530 and Deore XT PD-M8020 trail pedals.
- **Cycle Touring Tents** (`/reviews/tents-for-cycle-touring.html`): 7 best ultralight bikepacking tents evaluated for short packed pole length and vestibule pannier volume.
- **Trailside Emergency Multi-Tools** (`/reviews/emergency-multi-tools.html`): Mechanical torque leverage evaluation of Crankbrothers M19 vs workshop standards.
- **High-Engagement Hubs** (`/reviews/high-engagement-hubs.html`): Chris King RingDrive vs DT Swiss 240/350 Star Ratchet vs White Industries CLD teardowns.

## Adventure Journal & Shop Dispatches
- **The First Trans-Iowa** (`/journal/the-first-trans-iowa.html`): 300 miles of unsupported gravel racing in 2005 that forged our geometry philosophy.
- **Frenchman's Sand Pit CX** (`/journal/frenchmans-sand-pit-cx.html`): Pacific Northwest cyclocross culture, prototype barrier testing, and shoulder comfort.
- **Winter Shop Notes** (`/journal/winter-shop-notes.html`): Low-temperature silver brazing, hand-filed lugs, and winter framebuilding craft.

## Contact & Commissions
- Custom frame queues and biomechanical sizing consultations are arranged via `/index.html#commission`.