Bicycle Archive · Specification report

2021 Polygon Xtrada 7

Velopedia Archive ID 900001798

Overview

Model year	2021
Brand	Polygon
Model	XTRADA 7
Bicycle type	Mountain
Archive ID	900001798
Original MSRP	$799.00
Colors	Purple White; Grey Black
Sizes	27.5” SM; 27.5” MD; 27.5" LG; 29” MD; 29” LG; 29” XL

Frameset

Frame construction	ALX XC Trail
Frame material	Aluminum
Fork	SR Suntour XCR32 Air LOR 120mm (27.5" & 29") Travel

Drivetrain

Shifters	Shimano Deore SL-M6100-R, 1X12-Speed Trigger
Rear derailleur	Shimano Deore RD-M6100-SGS Direct Attach
Crankset	Shimano Deore FC-M6120 1X12 SP
Bottom bracket	Shimano 2-Piece Crankset BSA Threaded 73mm
Cassette	12 Speed, 10-51T
Chain	KMC X-12
Pedals	PP Flat Pedal W/ Reflector

Brakes

Brakes	Shimano MT-201 Hydraulic Disc Brakes; Levers: Shimano BL-MT201 Hydraulic Disc Brakes; Rotors: Shimano SM-RT10 160mm Center-Lock

Cockpit & contact points

Headset	Zero Stack (ZS) Sealed Bearing for Taper Head Tube, ZS 44/28.6 \| ZS 56/40
Handlebar	Polygon Xpert Alloy, W: 760mm, BAR Bore: 31.8mm, Rise/Drop: 12mm, Bend: 6DEGREE
Stem	Polygon Xpert Alloy, EXT: 40mm, BAR Bore: 31.8mm, Rise/Drop: 7DEGREE
Saddle	Polygon, Steel Ø 7mm
Seatpost	Polygon Xpert Alloy, DXL: 27.2 X 350mm, Seat Clamp: 31.8mm W/ QR

Wheels & tires

Wheels	Alloy Wheels
Rims	Alloy Double Wall H:23mm W: 30mm 584 32H for Tyre 584-68/622-68
Front tire	Performance Tire 27.5"X2.25" / 29"X2.25"
Rear tire	Performance Tire 27.5"X2.25" / 29"X2.25"

Geometry · S (27.5″)

Seat tube	385 mm
Effective top tube	569 mm
Head tube	95 mm
Head-tube angle	67°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	425 mm
Wheelbase	1106 mm
Bottom-bracket drop	45 mm
Bottom-bracket height	310 mm
Reach	410 mm
Stack	593.8 mm
Standover height	663 mm

Geometry · M (27.5″)

Seat tube	425 mm
Effective top tube	590 mm
Head tube	100 mm
Head-tube angle	67°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	425 mm
Wheelbase	1128 mm
Bottom-bracket drop	45 mm
Bottom-bracket height	310 mm
Reach	430 mm
Stack	599.3 mm
Standover height	697 mm

Geometry · L (27.5″)

Seat tube	460 mm
Effective top tube	612 mm
Head tube	105 mm
Head-tube angle	67°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	425 mm
Wheelbase	1150 mm
Bottom-bracket drop	45 mm
Bottom-bracket height	310 mm
Reach	450 mm
Stack	603 mm
Standover height	726 mm

Geometry · M (29″)

Seat tube	425 mm
Effective top tube	598 mm
Head tube	95 mm
Head-tube angle	67°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	435 mm
Wheelbase	1147 mm
Bottom-bracket drop	65 mm
Bottom-bracket height	309 mm
Reach	430 mm
Stack	629.3 mm
Standover height	693 mm

Geometry · L (29″)

Seat tube	460 mm
Effective top tube	619 mm
Head tube	100 mm
Head-tube angle	67°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	435 mm
Wheelbase	1169 mm
Bottom-bracket drop	65 mm
Bottom-bracket height	309 mm
Reach	450 mm
Stack	633.2 mm
Standover height	715 mm

Geometry · XL (29”)

Seat tube	500 mm
Effective top tube	640 mm
Head tube	105 mm
Head-tube angle	67°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	435 mm
Wheelbase	1191 mm
Bottom-bracket drop	65 mm
Bottom-bracket height	309 mm
Reach	470 mm
Stack	637.8 mm
Standover height	751 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 13, 2026.