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2020 Giant Reign E+ 1 Pro

Original specifications: geometry for 4 published sizes.

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At a glance

Model year
2020
Category
Mountain
Original MSRP
$6,000.00
Sizes
S, M, L, XL
Colors
Electric Red
Geometry
4 manufacturer sizes
In this record
20 specifications · archived image · original MSRP · geometry
Archive ID
900002609
Original buildAluminum

Manufacturer catalog

Published sizes and colors

4 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SMLXL

Published colors

Electric Red

Frameset

Frame ConstructionALUXX SL-grade aluminum, 160mm Maestro suspension system, 'Boost' 148x12QR, Giant EnergyPak Plus range extender compatible
Frame MaterialAluminum
ForkFox 36 Float Performance 27.5, 170mm, 3-position Micro Adjust Grip Damper, Boost 110x15QR, e-Bike optimized
Rear ShockFox Float X2 Performance, EVOL Large Volume sleeve, 2-position lever, 205x62.5mm Trunnion mount, custom tuned

Drivetrain

ShiftersShimano Deore XT, 12-speed
Front DerailleurMRP 1X custom "V3" co-moulded TR chain guide
Rear DerailleurShimano Deore XT, 12-Speed, Shadow+
CranksetPraxis Wavetm 36T Cold Forged 4130 premium steel Praxis e-Cadet+ custom forged crankarm set (Q-factor=168, S/M:160, L/XL:165)
CassetteShimano HG-M7100, 10-51T, 12-Speed
ChainKMC e.12 Turbo, EcoProteq, e-bike optimized

Brakes

BrakesShimano Deore XT, BR-M8120, 4-piston, hydraulic disc, 203mm

Cockpit & Contact Points

HandlebarGiant Contact Trail, 35x800mm
StemGiant Contact SL 35
SaddleGiant Contact, Neutral
SeatpostGiant Contact Switch, dropper, 30,9mm (S:100/M:125/L:150/XL:170)

Wheels & Tires

HubsGiant e-TR1 [F] 110x15 [R] 148x12mm Thru-axle
RimsGiant e-TR1 27.5, Tubeless ready, 30mm inner width
SpokesGiant e-TR1
Front TireMaxxis Minion DHF 27.5x2.6" foldable, Tubeless, EXO+, 3c MaxxTerra[F]Maxxis High Roller II 27.5x2.6" foldable, Tubeless, DoubleDown, 2x120tpi, 3C MaxxTerra Compound [R]
Rear TireMaxxis Minion DHF 27.5x2.6" foldable, Tubeless, EXO+, 3c MaxxTerra[F]Maxxis High Roller II 27.5x2.6" foldable, Tubeless, DoubleDown, 2x120tpi, 3C MaxxTerra Compound [R]

Geometry

4 sizes · 16 measurements

Frame measurements by size.

All geometry measurements4 sizes · 16 measurements
MeasurementSMLXL
Seat tube406 mm445 mm482 mm507 mm
Top tube595 mm620 mm645 mm670 mm
Head tube100 mm110 mm120 mm130 mm
Head-tube angle64.5°64.5°64.5°64.5°
Seat-tube angle76°76°76°76°
Chainstay / rear center470 mm470 mm470 mm470 mm
Wheelbase1223 mm1249 mm1276 mm1303 mm
Bottom-bracket drop15 mm15 mm15 mm15 mm
Reach430 mm452 mm475 mm497 mm
Stack592 mm602 mm611 mm620 mm
Fork offset / rake44 mm44 mm44 mm44 mm
Trail124.3 mm124.3 mm124.3 mm124.3 mm
Crank length160 mm160 mm165 mm165 mm
Stem length40 mm40 mm50 mm50 mm
Handlebar width800 mm800 mm800 mm800 mm
Wheel size27.527.527.527.5

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes36T · 10–51T · 12-speed
Lowest0.71:1 Highest3.60:1 Total range510%
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Parts & serviceability

Find replacement parts

Original specifications
Cassette · Original
Shimano HG-M7100, 10-51T, 12-Speed
Front tire · Original
Maxxis Minion DHF 27.5x2.6" foldable, Tubeless, EXO+, 3c MaxxTerra[F]Maxxis High Roller II 27.5x2.6" foldable, Tubeless, DoubleDown, 2x120tpi, 3C MaxxTerra Compound [R]
Retailer offers · Affiliate links
Maxxis Minion DHF Wide Trail 3C/EXO/TR 27.5in Tire Maxx Terra, 3C/EXO/TR, 27.5x2.6

Maxxis Minion DHF Wide Trail 3C/EXO/TR 27.5in Tire Maxx Terra, 3C/EXO/TR, 27.5x2.6

27.5x2.6

Replacement option · verify fit

Brake pads · Original
Shimano Deore XT, BR-M8120, 4-piston, hydraulic disc, 203mm
More parts (2)
Rear derailleur · Original
Shimano Deore XT, 12-Speed, Shadow+ Search: Shimano Deore XT, 12-Speed, Shadow+ rear derailleur Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Retailer offers · Affiliate links
Shifters · Original
Shimano Deore XT, 12-speed Search: Shimano Deore XT, 12-speed shifter Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.

Bike-specific inspection checklist 27 checks based on 7 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2020 Giant Reign E+ 1 Pro · Electric-assist · Published sizes: S, M, L, XL

Archived: Frame: ALUXX SL-grade aluminum, 160mm Maestro suspension system, 'Boost' 148x12QR, Giant EnergyPak Plus range extender compatible · Fork: Fox 36 Float Performance 27.5, 170mm, 3-position Micro Adjust Grip Damper, Boost 110x15QR, e-Bike optimized

Archived: Fork: Fox 36 Float Performance 27.5, 170mm, 3-position Micro Adjust Grip Damper, Boost 110x15QR, e-Bike optimized · Rear shock: Fox Float X2 Performance, EVOL Large Volume sleeve, 2-position lever, 205x62.5mm Trunnion mount, custom tuned

Archived: Shifters: Shimano Deore XT, 12-speed · Front derailleur: MRP 1X custom "V3" co-moulded TR chain guide · Rear derailleur: Shimano Deore XT, 12-Speed, Shadow+ · Crankset: Praxis Wavetm 36T Cold Forged 4130 premium steel Praxis e-Cadet+ custom forged crankarm set (Q-factor=168, S/M:160, L/XL:165) · Cassette: Shimano HG-M7100, 10-51T, 12-Speed · Chain: KMC e.12 Turbo, EcoProteq, e-bike optimized

Archived: Brakes: Shimano Deore XT, BR-M8120, 4-piston, hydraulic disc, 203mm

Archived: Rims: Giant e-TR1 27.5, Tubeless ready, 30mm inner width · Hubs: Giant e-TR1 [F] 110x15 [R] 148x12mm Thru-axle · Front tire: Maxxis Minion DHF 27.5x2.6" foldable, Tubeless, EXO+, 3c MaxxTerra[F]Maxxis High Roller II 27.5x2.6" foldable, Tubeless, DoubleDown, 2x120tpi, 3C MaxxTerra Compound [R] · Rear tire: Maxxis Minion DHF 27.5x2.6" foldable, Tubeless, EXO+, 3c MaxxTerra[F]Maxxis High Roller II 27.5x2.6" foldable, Tubeless, DoubleDown, 2x120tpi, 3C MaxxTerra Compound [R]

Controls and contact points

Archived: Handlebar: Giant Contact Trail, 35x800mm · Stem: Giant Contact SL 35 · Seatpost: Giant Contact Switch, dropper, 30,9mm (S:100/M:125/L:150/XL:170) · Saddle: Giant Contact, Neutral · Pedals: -

Archived: Giant Reign E+ 1 Pro · electric-assist identification

Before and during the test ride

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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