Product details
Description
The Ritchey Ultra Steel Frame 29er in Mustard is a testament to timeless design and impeccable craftsmanship. Drawing inspiration from its 1980s predecessor, this frame is tailored for riders who crave versatility and performance. Whether you're a cross-country enthusiast aiming for aggressive trails or an enduro rider seeking mountain adventures, the Ultra is your perfect companion. Engineered around a 120mm travel fork and Boost 148 spacing, its true magic lies in its wheel adaptability. Choose between 29" wheels for trail-dominating rides or opt for 27.5" for an unbridled shredding experience. With its rugged build and unmatched trail prowess, the Ultra is the trail master that keeps pushing boundaries.
Design Legacy: Inspired by Tom Ritchey's original Ultra design from the 1980s, known for its unique ride characteristics and unmatched dirt performance.
Versatility: Suitable for both cross-country riders aiming for aggressive trails and enduro riders seeking all-mountain adventures.
Fork Compatibility: Designed around a 120mm travel fork, ensuring optimal shock absorption and ride comfort.
Spacing: Features super stable Boost 148 spacing for enhanced wheel stability and improved handling.
Wheel Options: Accommodates both 29" and 27.5" wheels, offering riders the flexibility to choose based on their riding style and terrain.
Riding Modes: Opt for 29" wheels for trail-dominating rides or 27.5" for an exhilarating shredding experience.
Durability: Built to be a rough and rugged trail master, the Ultra is designed for longevity and relentless performance.
-
Material: Heat-treated Ritchey Logic steel tubing with triple butting - TIG welding.
-
Head Tube: Ultra-light forged and machined tapered head tube.
-
Integrated Headset: 1.5" tapered (upper IS42/28.6 | lower IS52/40).
-
Upper Headset Bearing: 41.8mm OD / IS42/28.6 (S.H.I.S.).
-
Lower Headset Bearing: 51.9mm OD / IS52/40 (S.H.I.S.).
-
Seat Tube Clamp Size: 33.1mm (2.5Nm max for derailleur clamps and chain guides).
-
Seat Tube: 30.9mm with discreet dropper routing and replaceable seat collar.
-
Bottom Bracket: 73mm - English threaded.
-
Crankset: BOOST cranks must be used for a correct chain line of 52mm.
-
Maximum Chainring Size: 38 teeth single - 26/36 teeth double.
-
Designed for: 1X or 2X chainrings (Side Swing front derailleur required for double).
-
Recommended Tire Size: 27.5x2.4 (2.8 max) or 29x2.25 (2.4 max) - tire size varies depending on the rim and tire manufacturer.
-
Rear Brake: Vertical mount 160mm (180mm max - adapters available separately).
-
Sizes: S (15") / M (17") / L (19") / XL (20.5").
-
Rear Hub Spacing: BOOST 148mm (included 12mm alloy thru-axle).
-
Optimized for: 120mm (BOOST) suspension fork or 500mm rigid fork.
-
Cable Routing: External.
-
Replaceable Derailleur Hanger: Made of stainless steel.
Weight : 2570g (Size 19")