KUbikes 27.5S MTB vs Polygon Strattos S2

Frame	KUbikes 6061 T6 aluminum, frame height 380 mm	ALX All-Round, QRx130mm
Stem	52 parts aluminum length 50mm	Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree
Handle Bar	52 parts aluminum width 640 mm, rise 25 mm	Entity Sport Alloy, W: 400mm (XS, S, M) / 420mm (L, XL), BB: 31.8mm, R/D: 124mm, B/R: 80mm
Fork	KUbikes 6061 T6 aluminum, matt black	Light Weight Carbon Fork, Straight 1-1/8"
Seatpost	Patent seat post aluminum black	Entity Sport Alloy, 27.2 x 350mm
Crankset	52parts aluminum length 165 mm	Prowheel Ounce-421C-TT-N 50/34T
Pedals	52 parts plastic	Alloy Cage & Body w/ Reflector
Chain	Yaban 8x	KMC Z-8.3
Shifters	Shimano 8-speed twist shifter	Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever
Saddle	52 parts	Entity, Steel Dia 7mm
Headset	--	Zero Stack (ZS) Semi-Integrated Bearing for Straight Head Tube, ZS 44/28.6 | ZS 44/30, ID: 44mm
Derailleur Front	--	Alloy QRx100mm 32H
Derailleur Rear	Microshift Mezzo Short Cage	Shimano Claris RD-R2000-SS Direct Attach Alloy QRx130mm 32H
Hub Front	Aluminum, hollow axle, rotor suitable for 8 - 10-speed cassettes, 28 holes	--
Hub Rear	Aluminum, hollow axle, rotor suitable for 8 - 10-speed cassettes, 28 holes	--
Spoke	Black, VR radial, RW laced twice crossed	--
Cassette	8-speed 11-32 teeth	Shimano CS-HG31 11-30T
Chainrings	Narrow/wide aluminum 32 teeth	--
Bottom Bracket	cartridge	Prowheel BSA Threaded FOR 2-Piece Crankset

Front	Kenda Slant Six 27.5x1.95	Performance Tire 700C​
Rear	Kenda Slant Six 27.5x1.95	Performance Tire 700C​
Wheel / RIM	Rims : Aluminum double wall, eyelets, CNC milled flanks, 28 holes, black	Alloy Double Wall 622-15 32H

Front	V brakes aluminum black	TEKTRO R315 Caliper
Rear	V brakes aluminum black	TEKTRO R315 Caliper
Brake Lever	52 parts aluminum with adjustable reach	Shimano Claris ST-R2000

Front	--	--
Rear	--	--

Colors

Black Green Red Glaze Pink Turquoise glitter

Blue Light Red

Length	--	--
Weight	0.294 kg	--
Kerb Weight	10.1	--

Features	- The light KUbikes 27.5 inch MTB in size S with 8 gears for bikers aged 9 and over - Many great colors: cheeky green, bright orange, cool matt black, fiery red or intense blue. For an additional charge we offer you pink glaze or turquoise glitter - Super light aluminum frame including aluminum fork developed by us - Perfectly tuned frame geometry: sporty driving without losing track of things - Lightweight aluminum handlebars, hubs, rims, crankset and seatpost - Lightweight double wall rims with eyelets for maximum stability - Threadless aluminum fork with Ahead headset - Handles tested for harmful substances - 165 mm short aluminum cranks - Smooth brakes - Precise, smooth-running 8-speed gears - With chainstay protection made of neoprene	--
Additional Details	- Seat clamp : 52parts aluminum black with hexagon socket - Handles : Herrmans tested for harmful substances, free from phthalates, PAH, latex and natural rubber - Tax rate : KUbikes, black - Production-related weight deviation of +/- 3% possible - Maximum rider weight : 80 kg	--