Compare bikes: Compare Specialized Sirrus X 4.0 (2020) vs. Trek Tandem Super Deluxe 7i (2020) - Findabike

KMC X10, 10-speed w/ reusable Missing Link™

KMC S1 nickel plated

Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide Aluminum chainring

Electra custom alloy 3-piece w/44T steel chainring

Rear: Shimano Deore, Shadow Plus, GS cage, 10-speed

Shimano Nexus Revo 7-speed twist w/optical display

22T

Carbon Monocoque, 12x100mm flat thru-axle, flat mount disc, Future Shock 1.5

Chromoly unicrown

Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, 12x142mm thru-axle, Plug + Play rack/fender mounts

Classic 6061-T6 alloy tandem w/ patented Flat Foot Technology®

1 1/8" steel threaded

Specialized, 3D-forged alloy, 4-bolt, 7-degree rise

Alloy classic

Front: Alloy, Center Lock™ disc, high-low flange, sealed cartridge bearings, 12x100mm spacing, 24h - Rear: Alloy, Center Lock™ disc, high-low flange, sealed cartridge bearings, 12x142mm spacing, 28h

Front: Shimano Nexus BR-IM40 w/roller brake alloy 36h - Rear: Shimano Nexus 7-speed internal w/freewheel 36h

700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h

Painted alloy

Stainless, 14g

Front: Pathfinder Sport, 700x38mm - Rear: Pathfinder Sport, 700x38mm

RetroRunner 26 x 2.125"

Front: Shimano BR-MT200, hydraulic disc, 160mm - Rear: Shimano BR-MT200, hydraulic disc, 160mm

Front and rear: Shimano BR-C6001 roller brake

Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm

Front: Electra café & rear: Electra custom tandem

Hand-stitched leatherette

Bridge Comp, Hollow Cr-mo rails, 155/143mm

Electra low profile w/double-coil springs

Alloy, 2-bolt, 14mm offset, 27.2mm

Classic alloy pillar

Specialized, 3D-forged alloy, 4-bolt, 7-degree rise

Alloy classic

Specialized Body Geometry Fitness, platform, plastic

Electra retro