Felt DD 70 2019 vs Sun Biscayne Tandem CB

Frame	Felt Fat, Super Lite aluminum, hydro form, Control Taper integrated head tube, post disc mount, replaceable derailleur hanger, clamp adaptor for high direct type front derailleur mount	High Tensile Steel, TIG-Welded
Stem	Felt, ±7° rise, Ø31.8 mm with Cr-Mo bolts, SM: 60 mm, MD: 70 mm, LG: 80 mm	Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Handle Bar	Devox 6061 butted flat top, Ø31.8 mm, 5 mm rise, 9° sweep, 760 mm wide	Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black
Fork	Felt Fat hydro formed 6061 aluminum, tapered steerer, post-mount disc, rack mounts, 15 x 150 mm Boost thru axle	--
Seatpost	Felt butted 6061, dual bolt, 15 mm offset, Ø30.9. SM: 350 mm, MD/LG: 400 mm	--
Grip	Devox Pauley Grip	Foam, Black
Crankset	Race Face Ride, 30T, SM: 170 mm, MD/LG: 175 mm	--
Pedals	Low-profile nylon platform	Slip Resistant Top, 9/16", Black
Chain	SRAM PC1110, 11-speed	K.M.C. 1/2" x 1/8", Black (130 Links)
Shifters	SRAM NX, 1 x 11	--
Saddle	Devox MTB performance	Comfort Cruiser, Elastomer Suspension, Black
Headset	FSA sealed cartridge bearings, semi-integrated upper, external cup lower, No.57E/62, 1.125 - 1.5"	Steel, 25.4 x 34 x 30mm, Black
Derailleur Rear	SRAM NX 11-speed, long cage	--
Hub Front	Shimano driver, 12 x 197 mm, 6-bolt, 32H	Shimano CB-E110 Coaster Brake, 36H x 14G, Black
Hub Rear	15 x 150 mm thru axle, 6-bolt, 32H	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black
Spoke	2.0 mm stainless steel	14G Stainless Steel with Brass Nipples
Cassette	SRAM PG 1130, 11-speed, 11-42T	--
Sprocket	--	19T x 1/2'' x 1/8''
Stand	--	Alloy, Center Mount, Black

Front	Schwalbe Jumbo Jim EVO, folding, 26 x 4.0"	Beach Bum 26 x 2.125", Black Wall
Rear	Schwalbe Jumbo Jim EVO, folding, 26 x 4.0"	Beach Bum 26 x 2.125", Black Wall
Wheel / RIM	Single wall, tubeless compatible, 80 mm inner width	Rims: 26" x 36H x 14G, Red

Front	Tektro M285 hydraulic disc, 180 mm rotor	Alloy (Linear Pull) Black
Rear	Tektro M285 hydraulic disc, 160 mm rotor	Shimano CB-E110 Internal Coaster Brake, Black
Brake Lever	Tektro	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

Matte Blue (Black, Green)

Metallic Red

Length	--	--
Weight	14.27 kg	27.2 kg

Features	--	--
Additional Details	Bottom Bracket : Race Face, BSA threaded, 100 mm Seatpost Clamp : Felt single bolt, Ø34.9 mm Thru axle : Front: Felt tool free 15 x 150 x 190L, thread: M15 x 1.5; Rear: Felt tool free 12 x 197 x 211L Syntace style, thread: M12 x 1.0	Captain Crank Left: 3-Piece Alloy, 170mm x 42T x 1/2" x 1/8", Black (For Diamond Square Cranks) Captain Crank Right: 3-Piece Alloy, 170mm, Black (For Diamond Square Cranks) Freewheel: Shimano TZ-21 (7-Speed) 14-28T Captain Crank Right: 3-Piece Alloy, 170mm, Black (For Diamond Square Cranks) Stoker Crank Left: 3-Piece Alloy, 170mm x 42T x 1/2" x 1/8", Black (For Diamond Square Cranks) Stoker Crank Right: 3-Piece Alloy, 170mm x 42T x 1/2" x 3/32", Black (For Diamond Square Cranks) Chainwheel: Steel, Silver Painted W/Plastic Chain Cover Pulley Adjuster:Eccentric BB Insert Seat Clamp: Alloy, 28.6mm I.D., with Double Bolt, Black Stoker Seat Clamp: Alloy, 34.9mm I.D., Black Front Fender: Steel, W/Single Strut, Painted Rear Fender: Steel, W/Single Strut, Painted Fender Set: Plastic, F&R W/Rubber Bump Guards, Silver