Kettler Grinder SL Pure 27.5 vs Trek Modern DLX 7i

Load Carrying Capacity	Max Weight Allowed : 135Kg	Combined weight of bicycle, rider, and cargo of 550 pounds (250 kg)
Frame	Material : Alloy	Classic 6061-T6 alloy tandem w/patented Flat Foot Technology
Stem	Leadtec LCS-7091	Alloy classic
Handle Bar	MTB-AL-174N ISO-C	Front : Electra cafe Rear : Electra custom tandem
Fork	27.5 inch Kettler fork	Chromoly unicrown
Seatpost	Kalloy SP-C297	Classic alloy pillar
Grip	--	MTB lock-on type, kraton rubber, alloy lock rings
Crankset	Lasco RCK1130TCG16	Electra custom alloy 3-piece
Pedals	Fasten NW-450	Electra retro
Chain	--	KMC Z51 1/2" x 3/32" nickel plated
Shifters	Shimano Altus SL-M315	Shimano Revo 7-speed twist with optical display
Saddle	Vader LWS(N5)-5	Electra comfort with elastomer springs
Headset	--	1 1/8" steel threaded
Derailleur Front	9 speed derailleur gears	--
Derailleur Rear	9 speed derailleur gears	--
Hub Front	KT-Ayer	Shimano Nexus 7-speed internal with freewheel 36h
Hub Rear	KT-A15F	Shimano Nexus BR-IM40 with roller brake alloy 36h
Spoke	Spoke 2.0	--
Cassette	--	22T
Chainrings	--	44T steel chainring
Bottom Bracket	--	Sealed cartridge
Stand	--	Integrated kickstand

Front	27,5 x 2.00, Vee Rubber Speedtser	RetroRunner 26 x 2.125”
Rear	27,5 x 2.00, Vee Rubber Speedtser	RetroRunner 26 x 2.125”
Wheel / RIM	27,5 inch, Aluminium	Painted alloy

Front	V-Brake, Lee Chi TX-122	Shimano BR-C6001 roller brake
Rear	V-Brake, Lee Chi TX-122	Shimano BR-C6001 roller brake

Front	--	--
Rear	--	--

Colors

Silver shiny

Matte Cream

Length	--	--
Weight	--	26.3 kg

Features	--	- Flat Foot Technology - Internal Gear System
Additional Details	Frame Size : 38Cm, 44Cm	Painted fenders Stainless steel and anti-rust hardware Graphic bells and rear rack