Intense Cycles 951 Series - User Manual

The provided manual details the Intense 951 XC mountain bike, a high-performance, full-carbon cross-country mountain bike designed for both local trails and epic all-day adventures. This document serves as a comprehensive guide for owners, covering everything from initial setup and technical specifications to usage, maintenance, and parts listings.

Function Description

The Intense 951 XC is engineered as a super lightweight full carbon frame, rolling on 29" wheels with progressive modern geometry. It features 120mm of suspension travel, making it suitable for a wide range of cross-country riding conditions. The bike is designed to provide a comfortable and efficient ride, whether tackling challenging trails or enjoying leisurely outings. Its advanced suspension system, including a Fox Rhythm 34 Float fork and a Fox Float DPS rear shock, ensures optimal handling and shock absorption across varied terrain. The bike's drivetrain, primarily SRAM Eagle 12sp, offers reliable and precise shifting, while the SRAM DB8 hydraulic disc brakes provide powerful and consistent stopping performance. The dropper seatpost, an Intense Recon 45mm, allows for quick and easy saddle height adjustments, enhancing rider control on descents and technical sections.

Important Technical Specifications

Frame:

• Model: Intense 951 XC, 2021 model year.
• Material: Super lightweight full carbon frame.
• Wheel Size: 29 inches.
• Rear Hub: 148x12mm Through Axle BOOST.
• Compatible Forks: 120mm Travel.
• Headtube/Headset: Integrated IS41-IS52/40.
• Seatpost Diameter: 31.6mm.
• Bottom Bracket: PF92.
• Recommended Max Tire Size: 2.35".

Suspension:

• Fork: FOX Rhythm 34 Float, 120mm Travel, Grip Damper - Sweep Adj.
• Rear Shock: FOX Performance Float DPS, 3-position (Open, Trail, Lock-out).
• Rear Shock Eye-to-Eye: 165mm.
• Stroke: 45mm.
• Mounting Bushing Width Front: 2x8 (8mm reducer).
• Mounting Rear: Trunnion.

Brakes:

• Model: SRAM DB8 Hydraulic Disc Brake.
• Rotor Size: 203mm (with adapter).

Drivetrain:

• Derailleur: SRAM NX Eagle 12sp.
• Shifter: SRAM NX Eagle 12sp.
• Crankset/Chainring: SRAM NX Eagle DUB, ST. 170mm (S 175mm (M, L, XL)).
• Cassette: SRAM PG 1230 Eagle 12sp 11-50t.
• Chain: SRAM NX Eagle 12sp.

Wheels & Tires:

• Rims: WTB ST i27 Alu, 27mm.
• Tires: Kenda Regolith 29" x 2.20".

Cockpit:

• Handlebars: INTENSE Lock-on.
• Stem: INTENSE Recon 45mm.
• Grips: INTENSE Lock-on.
• Seatpost: INTENSE Recon Dropper 125mm travel (S), 150mm travel (M,L), 170mm travel (XL).
• Saddle: Fizik Terra Alpaca X5, Alloy Rails.

Geometry (for size Medium):

• Wheelbase (A): 1196mm / 47.1".
• Toptube Length (B): 599mm / 23.6".
• Headtube Length (C): 105mm / 4.1".
• Headtube Angle (E): 66.4°.
• Reach (F): 439mm / 17.3".
• Stack (G): 619mm / 24.4".
• BB Height (H): 330mm / 13.0".
• BB Drop: 30mm / 1.17".
• Seattube Angle (Effective) (I): 72.8°.
• Seattube Angle (Actual) (J): 68.5°.
• Seattube Length (K): 432mm / 17.0".
• Chainstay Length (L): 430mm / 16.9".

Usage Features

The manual provides a detailed step-by-step guide for setting up the Intense 951 XC, ensuring riders can properly assemble and prepare their bike for its first ride.

Assembly and Setup:

• Unpacking: Instructions for removing the bike and components from the packaging, including the front wheel, handlebars, and dropper post.
• Wheel Installation: Detailed steps for installing the front and rear wheels, including proper axle insertion and tightening.
• Handlebar Installation: Guidance on attaching the handlebars to the stem, ensuring correct alignment and torque specifications for bolts.
• Dropper Post Release: Instructions for releasing the dropper seatpost from its packaging and adjusting it to the desired height.
• Derailleur Installation: Steps for installing the rear derailleur, including B-screw adjustment and cable routing.
• Chain Installation: Guidance on installing the chain, ensuring correct routing through the derailleur and chainrings.
• Saddle Height Adjustment: Instructions for setting the saddle height to the rider's preference, emphasizing the importance of proper leg extension.
• Tire Pressure Check: Recommendations for checking and adjusting tire pressure based on rider weight, terrain, and desired comfort/traction.
• Bike Check: A comprehensive checklist to ensure all components are secure and functioning correctly before the first ride, including brakes, shifting, and suspension.

Suspension Setup:

• Fork Suspension Setup (FOX Rhythm 34 Float):
  • Rider Weight vs. Air Pressure: A chart providing recommended air pressure settings based on rider weight.
  • Rhythm Damping: Explanation of the 3-position lever (Open, Medium, Firm) for adjusting compression damping.
  • Rebound Settings: Guidance on adjusting rebound damping based on rider preference and terrain.
• Rear Suspension Setup (FOX Performance Float DPS):
  • Rider Weight vs. Air Pressure: A chart providing recommended air pressure settings for the rear shock.
  • Compression Adjustments: Explanation of the 3-position lever (Open, Trail, Lock-out) for adjusting compression damping.
  • Rebound Settings: Guidance on adjusting rebound damping for the rear shock.
  • Sag Measurement: Detailed instructions for measuring and setting the correct sag (25-30%) for optimal suspension performance.

Maintenance Features

The manual outlines a comprehensive maintenance schedule to ensure the longevity and performance of the Intense 951 XC. It emphasizes the importance of regular checks and servicing to prevent damage and maintain the bike's high-performance characteristics.

Maintenance Schedule:

• Every Ride:
  • Tires: Check air pressure, inspect tread, and sidewalls for tears and punctures.
  • Chain: Brush off and lube chain.
  • Brakes: Check cables and confirm function.
  • General: Clean complete bike of mud and debris.
  • Headset: Check adjustment.
  • Box Link: Add grease thru Zerk fittings.
  • Frame/Pivots: Check torque.
  • Spokes: Check for damage, check tension.
  • Shock & Fork: Check air pressure, inspect for leaks.
  • Derailleur: Cables inspect and lube.
  • Seatpost: Clean and regrease interface with frame.
  • Frame/Pivots: Remove pivot bolts, check bearings for pitting and wear.
• 500 Miles or 3 Months:
  • Headset: Disassemble stem, headset and fork.
  • Headset: Check bearings for pitting and wear.
  • Hubs: Pull wheels off, check hub bearings for pitting and wear.
  • Bottom Bracket: Remove crank arms and check BB bearings for pitting and wear.
  • Brakes: Replace brake pads.
  • Chain: Inspect for damage and check for stretching.
• 2000 Miles or 6 Months:
  • General: Complete Tune-Up.
• 4000 Miles or 1 Year:
  • General: Complete Tune-Up.

Carbon Care:

• Cleaning: Use a soft cloth with warm soapy water to clean carbon surfaces. Avoid high-pressure washers, abrasive cloths, or cleaners.
• Surface Inspection: Regularly inspect all frame surfaces in contact with cables for protection. Cable housing rubbing on carbon can wear over time.
• Handlebar/Fork Check: Ensure brake levers, handlebars, and the fork crown do not contact the frame at full rotation.
• Storage: Never clamp any part of a carbon frame in a bike stand or car rack.
• Impact Inspection: Always inspect your frame if you experience any chain suck.
• Damage Assessment: If you discover damage, it's best to have your frame inspected by a qualified INTENSE, LLC dealer. Any direct impact to the frame can cause serious structural damage.
• High-Waterproof Grease: Use high-waterproof grease on seat post, BB, and headset bearing contact areas with the carbon.
• Torque Settings: Never ream or face a carbon frame. Be sure to follow all recommended torque settings.
• Genuine Replacement Parts: Use only genuine replacement parts for safety-critical components.

Parts Listings: The manual includes detailed diagrams and tables for all components, categorized into:

• Intense 951 XC Parts Listings: Comprehensive list with item numbers, part descriptions, and torque specifications for various bolts and components.
• Intense 951 XC Parts Kits: Lists of specific kits for axles, bearing rebuilds, flak guards, hardware, and link kits, providing part numbers for easy reordering.

This detailed manual ensures that owners of the Intense 951 XC have all the necessary information to maintain their bike in optimal condition, enhancing their riding experience and extending the life of their investment.