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The Polygon XTRADA 6, Jamis DRAGON | 29, and Trek Marlin 7 are all hardtail mountain bikes with upper mid-range components. The Jamis has a steel frame, a dropper post, 29″ wheels, a better fork, and a bigger fork. Explore the differences below.

2022 Polygon XTRADA 6
2021 Jamis DRAGON | 29
2022 Trek Marlin 7
MSRP$949$2,099$979
Online Price
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CategoryTrailTrailCrosscountry
Weight32.0 lbs29.7 lbs
FrameAluminumSteelAluminum
ForkSunTour XCR 32
Fox Rhythm Float 34
RockShox Judy
Wheel Size27.5″ / 29″29″27.5″ / 29″
Wheel MaterialAluminumAluminumAluminum
Brake TypeHydraulic DiscHydraulic DiscHydraulic Disc
GroupsetDeore
SLX, Race Face
Deore, FSA
Drivetrain1 × 121 × 10
Gear Range

Polygon XTRADA 6

25 mph

Jamis DRAGON | 29

28 mph

Trek Marlin 7

22 mph
SuspensionHardtailHardtailHardtail
Front Travel120mm140mm80mm
Rear Travel---
SeatpostRigidDropperRigid
Brand Sitepolygonbikes.comjamisbikes.comtrekbikes.com
Suggested Bikes

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more

Spec level →$0$500$1,000$1,500$2,000
XTRADA 6
DRAGON | 29
Marlin 7

Geometry

Specs
Frame

ALX XC TRAIL

Reynolds 520 steel, 44mm head tube, 31.6 I.D. seat tube, internal dropper post routing, ISCG05, 12x148mm thru-axle dropouts

Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR

Fork

SR SUNTOUR XCR32 LOR 120mm (27.5" & 29") TRAVEL

Fox 34 Rhythm Series Float 29” w/ sweep adjust compression & lock-out,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 140mm travel

Size: XS, RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel; Size: S, RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel; Size: M, ML, L, XL, XXL, RockShox Judy, coil spring, preload, TurnKey lockout, 46mm offset for 29'' wheel, 100mm QR, 100mm travel

Rear Shock

-

Bottom Bracket

SHIMANO 2-PIECE CRANKSET BSA THREADED 73mm

Race Face BSA

FSA, 73mm, threaded cartridge, 122.5mm spindle

Headset

FSA Orbit, Alloy cups

Semi-integrated, 1-1/8''

Stem

ENTITY SPORT ALLOY, EXT: 45mm, BAR BORE: 31.8mm, RISE/DROP: 3degree

Race Face Ride, 50mm

Size: XS, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length; Size: S, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: M, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: ML, L, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: XL, XXL, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 90mm length

Handlebar

ENTITY SPORT ALLOY, W: 760mm, BAR BORE: 31.8mm, RISE/DROP: 12mm, BEND: 6degree

Race Face Ride, 35 x 760mm

Size: XS, Bontrager alloy, 31.8mm, 5mm rise, 690mm width; Size: S, M, ML, L, XL, XXL, Bontrager alloy, 31.8mm, 5mm rise, 720mm width

Saddle

ENTITY VOID, STEEL ø 7mm

WTB Volt

Bontrager Arvada, steel rails, 138mm width

Seatpost

ENTITY XPERT ALLOY, DXL: 27.2 x 350mm, OFFSET: 15mm, SEAT CLAMP: 31.8mm W/ QR

KS Rage Dropper, Southpaw remote

Size: XS, S, M, Bontrager alloy, 31.6mm, 12mm offset, 330mm length; Size: ML, L, XL, XXL, Bontrager alloy, 31.6mm, 12mm offset, 400mm length

Pedals

N/A

Grips

Jamis Lock-On

Bontrager XR Trail Comp, nylon lock-on

Groupset
Rear Derailleur

SHIMANO DEORE RD-M5100-SGS DIRECT ATTACH

Shimano SLX, 12-speed

Shimano Deore M5120, long cage

Crank

SHIMANO FC-M5100-1 BOOST 32T, MAX CHAINRING: SINGLE 36T / DOUBLE 38/28T, CRANK ARM: 170mm (S, M) / 175mm (L, XL)

Race Face Ride, 32T

Size: XS, S, M, FSA Alpha Drive, 28T steel ring, Boost, 170mm length; Size: ML, L, XL, XXL, FSA Alpha Drive, 28T steel ring, Boost, 175mm length

Shifters

SHIMANO DEORE RD-M5100-SGS DIRECT ATTACH

Shimano SLX, 1x12-speed

Shimano Deore M4100, 10 speed

Cassette

SHIMANO DEORE CS-M5100 11-51T

Shimano M7100, 12-speed, 10-51T

Shimano Deore M4100, 11-46, 10 speed

Chain

KMC X-11-1

KMC X12, 12-speed

KMC X10, 10 speed

Brakes

SHIMANO MT-201 HYDRAULIC DISC BRAKES, ROTOR: 160mm

Shimano MT420 4-piston hydraulic disc, 180mm RT30 front and 160mm rear rotors

Shimano MT200 hydraulic disc

Wheels
Rims

ENTITY XL2 DISC

Stan’s No Tubes Flow D 29” rims, Shimano MT410 15x110mm front & 12x148mm rear hubs, stainless spokes

Bontrager Connection, double-wall, 32-hole, 20mm width, presta valve

Spokes

14g stainless steel

Front Hub

Formula DC-20, alloy, 6-bolt, 5x100mm QR

Rear Hub

Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR

Tires

ENTITY SPIDERBAIT 27.5"x2.25" / 29"x2.25"

WTB Vigilante 29 x 2.5” Front & Trail Boss 29 x 2.4” Rear, TCS Tubeless

Size: XS, S, Bontrager XR2 Comp, wire bead, 30 tpi, 27.5x2.20''; Size: M, ML, L, XL, XXL, Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.20''

Disk Rotors

Size: XS, S, M, ML, L, XL, XXL, Shimano RT26, 6-bolt,160mm; Size: L, XL, XXL, Shimano RT26, 6-bolt,180mm