All-City Space Horse GRX vs Sun Biscayne Tandem CB

Frame	612 Select Chromoly Steel	High Tensile Steel, TIG-Welded
Stem	AL6061, 3D forged, 4-bolt stem, 31.8mm	Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Handle Bar	AL6061, 31.8mm, 6° Flair	Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black
Fork	All-City Space Horse Fork	--
Seatpost	27.2mm, two-bolt, 350mm length	--
Grip	--	Foam, Black
Crankset	FSA Gossamer Pro Modular BB386EVO AGX+, 46-30t, Black	--
Pedals	--	Slip Resistant Top, 9/16", Black
Chain	KMC X10, EPT Anti-Rust	K.M.C. 1/2" x 1/8", Black (130 Links)
Saddle	All-City Gonzo	Comfort Cruiser, Elastomer Suspension, Black
Headset	Cane Creek 40 Series	Steel, 25.4 x 34 x 30mm, Black
Derailleur Front	Shimano GRX RX400	--
Derailleur Rear	Shimano GRX RX400	--
Hub Front	Novatec 981/982, Sealed Bearing, 32h	Shimano CB-E110 Coaster Brake, 36H x 14G, Black
Hub Rear	--	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black
Spoke	Pillar 14g Black Stainless	14G Stainless Steel with Brass Nipples
Cassette	SunRace 10-speed, 11/32t	--
Sprocket	--	19T x 1/2'' x 1/8''
Stand	--	Alloy, Center Mount, Black

Front	Teravail Rampart, 650bx47, Tan Side Wall, Light and Supple	Beach Bum 26 x 2.125", Black Wall
Rear	Teravail Rampart, 650bx47, Tan Side Wall, Light and Supple	Beach Bum 26 x 2.125", Black Wall
Wheel / RIM	Rims : WTB ST i19 TCS 2.0, 32h	Rims: 26" x 36H x 14G, Red

Front	Shimano GRX, 160 f/r, 6-Bolt	Alloy (Linear Pull) Black
Rear	Shimano GRX, 160 f/r, 6-Bolt	Shimano CB-E110 Internal Coaster Brake, Black
Brake Lever	Shimano GRX 10-speed, flat-mount hydro brakes	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

Dusty Rose

Metallic Red

Length	--	--
Weight	--	27.2 kg

Features	--	--
Additional Details	Bottom Bracket : FSA BB386 MegaEVO, BSA threaded Brake Housing : Shimano Hydro Shift Housing : Jagwire LEX-SL Black Fork : 612 Select Chromoly Steel Rear Hub Spacing (OLD) : 142 x 12mm; thru-axle Thru Axle Size : Ø12 x 162mm , TP=1.5, TL=12 Brake Mount Type : Flat Mount; 30mm mounting barrels Rotor Size(s) : 140mm to 160mm Headtube Upper (SHIZ) : EC34 Headtube Lower (SHIZ) : EC34 Seat Collar : All-City Signature Brazed-On Max Tire Size : 43~46cm: 650b x 47mm, 49~61mm: 700c x 45mm, 49~61cm: 650b x 47mm Tire Size Range : 650b x 42~47mm, 700c x 32~45mm Front Derailleur : Mount28.6 Band Clamp Crankset (Max Ring) : 1x: 48t, 2x: 52/38t Rotor Sizes : 140mm to 160mm Stem Clamp (SHIZ) : Ø28.6mm Crown Race (SHIZ) : Ø30mm Axle to Crown : 43~ 46cm: 376mm, 49~61cm: 395mm Fork Offset : 43~46cm: 49mm, 49~52cm: 52mm, 55~61cm: 47mm	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