• Reign SX (2025) - Bicycle Warehouse
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Giant Reign SX (2025)

Giant Reign SX (2025)

$4,899.99
$4,899.99 $4,899.99
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Size & Fit Guide

Size Height Range
XX-Small 5'0"-5'2"
X-Small 5'2"-5'4"
Small 5'4" to 5'8"
Medium 5'7" to 5'11"
Large 5'10" to 6'2"
X-Large 6'2" to 6'6"

 

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GIANT-1125006105

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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.

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.
  • Sizes M, L, XL
  • Colors 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
  • Stem TruVativ Descendant Direct Mount 35, 50mm
  • Seatpost Giant Contact, 30.9mm, 400mm
  • Saddle Giant Romero
  • Shifter smicroSHIFT Trail Trigger Pro, 1x10
  • Front Derailleur N/A
  • 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
  • Tires [F] Maxxis Assegai 29x2.5 WT, 3C MaxxTerra, EXO+, TR [R] Maxxis Assegai 27.5x2.5 WT, 3C MaxxGrip, DD, TR tubeless
  • Extra stubeless prepared, 2.5" max tire size, 36t max chainring size, MRP AMG CS chain guide
Maestro Suspension Technology

Maestro Suspension Technology

Four strategically positioned pivot points and two linkages all work together to create a single floating pivot for the most active, efficient and independent suspension system on the trail.

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Overdrive

Overdrive

Giant’s original oversized fork steerer tube technology. Designed to provide precise front-end steering performance, the system’s oversized headset bearings (1 1/4” lower and 1 1/8” upper for road, 1 1/2” lower and 1 1/8” upper for mountain) and tapered steerer tube work in conjunction to provide optimal steering stiffness.

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Tubeless System

Tubeless System

Whether you’re cornering in a crit, climbing technical singletrack or cruising through the city, you'll be free to ride without worrying about your bike's tires on your next adventure.

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ALUXX SL Aluminum Technology

ALUXX SL Aluminum Technology

This High-Performance level, state-of-the-art aluminum material is made predominantly from 6011 alloy and delivers best-in-class strength-to-weight ratios. These framesets also feature unique welding technologies for a high-performance ride quality.

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    M L XL
A Seat Tube Length (MM) 425 450 475
D Head Tube Length (MM) 105 115 120
F Fork Rake (MM) 56 56 56
N Handlebar Width (MM) 800 800 800
O Stem Length (MM) 50 50 50
P Crank Length (MM) 165 165 165
Q Wheel Size F 29 | R 27.5 F 29 | R 27.5 F 29 | R 27.5

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