Description
Ritchey P-650B CrMo Mountain Frame — 17″ (Medium) Demo Frame
The Ritchey P-650B is a classic steel hardtail frame built around the 27.5″ (650B) wheel platform — combining timeless chromoly ride quality with modern trail capability.
This frame is a demo model and has a small mark on the headtube, so is heavley discounted.
Frame Overview
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Material: 4130 Chromoly steel — durable, compliant, and long-lasting
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Wheel Size: 27.5″ (650B)
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Size: 17″ (Medium) — ideal for most riders approx. 170–180 cm tall
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Brake Type: Disc brake mounts (post mount)
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Rear Axle: 135mm quick release
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Tire Clearance: Up to approx. 2.1″ tyres
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Fork Compatibility: ~100mm travel suspension fork (straight 1 1/8″ steerer)
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Bottom Bracket: English threaded 68mm shell
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Front Derailleur Clamp: 28.6mm band clamp
Geometry (17” Medium)
Approximate geometry figures:
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Stack: ~583 mm
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Reach: ~421 mm
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Seat Tube (C-T): ~431 mm
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Effective Top Tube: ~595 mm
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Head Tube Angle: ~70°
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Seat Tube Angle: ~73.5°
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Bottom Bracket Height: ~299 mm
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Chainstay Length: ~432 mm
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Wheelbase: ~1089 mm
This geometry gives the P-650B a balanced, versatile ride — stable on longer rides, yet nimble on twisty trails.
Ride Character
The P-650B embraces classic steel feel: smooth, compliant, and forgiving on rough trails while still responsive under power. It offers a lively but controlled ride, ideal for all-day trail sessions, XC loops, and adventure riding.
Standout Features
✔ Classic chromoly steel comfort and durability
✔ Modern compatibility with disc brakes and 27.5″ wheels
✔ Threaded bottom bracket for easy maintenance
✔ Clean, traditional cable routing and timeless design
✔ Great platform for custom builds
Who It Suits
Perfect for riders who want:
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A steel hardtail with classic trail feel
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A reliable frame for XC, trail, and bikepacking
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A unique build project that stands out
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A durable, compliant frame with modern features
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