Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Giant
2021 Giant Reign Advanced Pro 29 0
Value Guide market data · 2021 Giant Reign Advanced Pro 29 0
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All Reign model years
2025$6,324 - $7,344▲ 11% vs. 2021
2024$4,185 - $4,860▼ 27% vs. 2021
2023$10,463 - $12,150▲ 83% vs. 2021
2022$4,650 - $5,400▼ 19% vs. 2021
2021$5,720 - $6,642Currently viewing
2020$8,370 - $9,720▲ 46% vs. 2021
2019$7,812 - $9,072▲ 37% vs. 2021
2018$7,779 - $9,034▲ 36% vs. 2021
2017$7,673 - $8,910▲ 34% vs. 2021
2016$7,719 - $8,964▲ 35% vs. 2021
2015$7,673 - $8,910▲ 34% vs. 2021
2014$3,557 - $4,131▼ 38% vs. 2021
2013$4,162 - $4,833▼ 27% vs. 2021
2012$5,673 - $6,588▼ 1% vs. 2021
2011$5,580 - $6,480▼ 2% vs. 2021
2010$5,255 - $6,102▼ 8% vs. 2021
2009$4,325 - $5,022▼ 24% vs. 2021
2008$3,348 - $3,888▼ 41% vs. 2021
2007$3,348 - $3,888▼ 41% vs. 2021
2006$3,255 - $3,780▼ 43% vs. 2021
2005$3,069 - $3,564▼ 46% vs. 20212021 Reign Advanced Pro 29 0 lineup
Overview
About this bike
2021 Giant Reign Advanced Pro 29 0 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Fox 38 Float Factory, 170mm, GRIP2 damper, Boost 15 x 110 Kabolt, 44mm offset, custom tuned for Giant
- Frame
- Advanced-Grade Composite front and rear triangles, 146mm Maestro suspension
- Rear Shock
- Fox Float DHX2 Factory, 205/60, custom tuned for Giant
Drivetrain
- Groupset
- Shimano XTR
- Bottom Bracket
- Shimano XTR, 34t, MRP AMG V2 Carbon guide / Shimano, press fit
- Cassette
- Shimano XTR, 12-speed, 10 x 51
- Chain
- Shimano XTR
- Chainrings
- Shimano, press fit
- Crankset
- Shimano XTR, 34t, MRP AMG V2 Carbon guide
- Rear Derailleur
- Shimano XTR, Shadow+
- Shifters
- Shimano XTR
Brakes
- Brake Levers
- Giant Contact SL 35 / Shimano XTR
- Brakes
- Shimano XTR hydraulic 4-piston, 203mm / Giant Contact SLR Trail, composite, 35
Cockpit
- Handlebar
- Shimano XTR
- Handlebars
- Giant Contact SLR Trail, composite, 35
- Headset
- Giant Romero SL, SST rails
- Saddle
- Giant Romero SL, SST rails / tubeless prepared
- Seatpost
- Fox Transfer Factory dropper with Shimano remote, 30.9
- Stem
- Giant Contact SL 35 / Sold separately
- Grips
- Shimano XTR hydraulic 4-piston, 203mm
Wheels & Tires
- Axles
- Giant TRX-0 29 WheelSystem, DBL technology
- Hubs
- Giant TRX-0 29 WheelSystem, Boost / Giant TRX-0 29 Carbon WheelSystem, 30mm inner
- Rims
- Giant TRX-0 29 Carbon WheelSystem, 30mm inner
- Spokes
- Giant TRX-0 29 WheelSystem, Boost / Giant TRX-0 29 WheelSystem, DBL technology
- Tires
- Front: Maxxis Assegai, tubeless, 29 x 2.5, WT, 3C, MaxxTerra, EXO+, TR, Rear: Maxxis Minion DHR II, tubeless, 29 x 2.4, WT, 3C, MaxxTerra, EXO+, TR
- Wheel Set
- Fox Float DHX2 Factory, 205/60, custom tuned for Giant
Pedals
- Pedals
- Sold separately
Accessories
- Accessories & Extras
- tubeless prepared
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.