Ritchey P-650B CrMo Mountain Frame — 17" (Medium) Demo Frame

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

• Material: 4130 Chromoly steel — durable, compliant, and long-lasting

• Wheel Size: 27.5" (650B)

• Size: 17" (Medium) — ideal for most riders approx. 170–180 cm tall

• Brake Type: Disc brake mounts (post mount)

• Rear Axle: 135mm quick release

• Tire Clearance: Up to approx. 2.1" tyres

• Fork Compatibility: ~100mm travel suspension fork (straight 1 1/8" steerer)

• Bottom Bracket: English threaded 68mm shell

• Front Derailleur Clamp: 28.6mm band clamp

Geometry (17” Medium)

Approximate geometry figures:

• Stack: ~583 mm

• Reach: ~421 mm

• Seat Tube (C-T): ~431 mm

• Effective Top Tube: ~595 mm

• Head Tube Angle: ~70°

• Seat Tube Angle: ~73.5°

• Bottom Bracket Height: ~299 mm

• Chainstay Length: ~432 mm

• 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:

• A steel hardtail with classic trail feel

• A reliable frame for XC, trail, and bikepacking

• A unique build project that stands out

• A durable, compliant frame with modern features