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This trail-crushing enduro machine delivers confidence and control for the rowdiest terrain. Its mixed wheel size blends stability and speed with agility.
This trail-crushing enduro machine delivers confidence and control for the rowdiest terrain. Its mixed wheel size blends stability and speed with agility.
Giant

Giant Reign SX Mountain Bike in Moonstone

£4,499.00
Size Guide
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Hassle free returns

We are pleased to offer a 90 day online return policy on both bikes and accessories purchased online. All we ask is that the item is returned to us in an unused condition and with its original packaging.

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If you require any additional information, including product availability, order information or returns then please feel free to contact us via the WhatsApp messaging service!

  • We are pleased to offer a 90 day online return policy on both bikes and accessories purchased online. All we ask is that the item is returned to us in an unused condition and with its original packaging.
  • We will refund postage costs on any faulty or damaged items but not if the item was incorrectly ordered.
  • Refunds will only be returned to the original purchaser using the original payment method — refunds usually take 3-4 working days, but it could be longer depending on your bank
  • If you have a damaged or faulty item we will send you out a replacement as soon as the returned item is received. Please note that if an item has been damaged through rider neglect, misuse or wear and tear , then it will not be covered by manufacturer’s warranty. We advise you to check the individual manufacturer’s warranty policy to see whether the specific problem or issue you are experiencing is covered.
  • We would ask you to fully check the goods once received to ensure that they are as you required. Any subsequent use will be deemed acceptance of the goods.
  • We are happy to discuss Returns procedure – please give us a call or drop us an email at orders@cycleworld.co.uk.

Giant Reign SX Mountain Bike in Moonstone

Season:2025

Brand:Giant

Code:9125006MoonBRN

Big hits and all-out descents. This trail-crushing enduro machine delivers confidence and control for the rowdiest terrain. Its mixed wheel size, with a 29-inch front and 27.5-inch rear, blends stability and speed with agility that pops.

Features:

Race-bred suspension - Maestro rear suspension eats up enduro terrain with 165mm of smooth, active rear travel matched with a 190mm travel fork. The trunnion mount rear shock has a longer stroke (65mm over 60mm on the previous generation) while the Advanced Forged Composite upper rocker arm adds stiffness and lowers overall frame weight.

Adjustable enduro geometry - Flip chip adjustability lets you switch between two settings depending on the terrain. You can select a 63.1 or 63.5-degree head angle and corresponding 77.9 or 78.3-degree seat tube angle, resulting in a 25 or 19mm bottom bracket drop (size medium) to fine-tune handling for varying trail conditions and riding style.

Mixed wheel size - A 29-inch front wheel provides speed, stability and front-end control on rough, technical trails. A 27.5-inch rear wheel adds agility and maneuverability to help riders rail corners, pop over features and show off their style.

Technical Information
  • Sizes
    M, L, XL
  • Colours
    Moonstone
  • Frame
    ALUXX SL-grade aluminum front and rear triangles, 165mm Maestro suspension, flip chip, 12x148mm thru-axle, 27.5-inch rear wheel compatible, flip chip - Maestro 3, integrated down tube storage
  • Fork
    RockShox BoXXer, Charger 3 RC damper, 190mm, 20x110, custom tuned for Giant
  • Shock
    RockShox Vivid Base, lockout, 205/65
  • Handlebar
    Giant Contact SL TR35, 800x35mm, 20mm rise
  • Grips
    Giant Tactal Pro Single
  • Stem
    TruVativ Descendant Direct Mount 35, 50mm
  • Seatpost
    Giant Contact, 30.9mm, 400mm
  • Saddle
    Giant Romero
  • Pedals
    PEDALS NOT SUPPLIED
  • Shifters
    microSHIFT Trail Trigger Pro, 1x10
  • Rear Derailleur
    microSHIFT Advent X
  • Brakes
    TRP EVO DH-R, hydraulic, TRP rotors [F]220mm, [R]200mm
  • Brake Levers
    TRP EVO DH-R
  • Cassette
    microSHIFT Advent X, 11-48
  • Chain
    KMC X-10
  • Crankset
    Praxis Cadet HD M24, 32t, 165mm, 55mm chainline
  • Bottom Bracket
    Praxis, press fit
  • Rims
    Giant TRA 2 wheelset, 6061 alloy, hookless, 30mm inner width, 40mm outer width, 21mm height, Wide Guard Technology
  • Hubs
    [F] Giant MTB alloy, six-bolt, [R] Giant MTB alloy, 72 POE (Points of Engagement), six-bolt, HG driver body
  • Spokes
    Sapim, 28, J-bend
  • Tyres
    [F] Maxxis Assegai 29x2.5 WT, 3C MaxxTerra, EXO+, TR [R] Maxxis Assegai 27.5x2.5 WT, 3C MaxxGrip, DD, TR tubeless
  • Extras
    tubeless prepared, 2.5" max tire size, 36t max chainring size, MRP AMG CS chain guide
  • Weight
    The most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All our bikes are designed for best-in-class weight and ride quality.
Sizing Information
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