Felt Doctrine Advanced XT 2020 vs Sun Biscayne Tandem 7

Compare Specifications of Felt Doctrine Advanced XT 2020 and Sun Biscayne Tandem 7

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Felt Doctrine Advanced XT 2020
Felt Doctrine Advanced XT 2020

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Sun Biscayne Tandem 7
Sun Biscayne Tandem 7

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Technical Specifications
Drivetrain -- K.M.C. 1/2" x 1/8", Black (152 Links)
Frame Felt XC, UHC Advanced carbon fiber, MMC with Inside Out construction, full carbon dropouts, Control Taper head tube, low-direct front derailleur mount, replaceable derailleur hanger, flat mount disc mounts, BSA Threaded bottom bracket, 12 x 148 mm Syntace style thru axle, internal derailleur cable routing High Tensile Steel, TIG-Welded
Stem Devox, ±7¡ rise, ¯31.8 mm with Cr-Mo bolts, XS/SM: 60 mm, M/L: 70 mm, XL: 90 mm Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Stoker Stem:Alloy, Adjustable Reach (4-Bolt Face) Black
Handle Bar Devox carbon flat top, ¯31.8 mm, 8 mm rise, 9¡ sweep, 720 mm wide Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black
Stoker Handlebar: Steel, 27" Wide x 10.8" Rise x 25.4mm Clamp, Black
Fork FOX 32 Step-Cast Performance Elite, 120 mm travel, lockout remote, 15 x 110 mm Boost thru axle 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost Devox carbon post, forged head, 15 mm offset, ¯27.2, XS/SM: 350 mm, MD/LG/XL: 400 mm Alloy w/o Clamp, 25.6 x 350mm, Black
Grip Silicone Foam Foam, Black
Crankset Shimano XT, 32T, SM: 170 mm, MD/LG/XL: 175 mm --
Pedals -- Slip Resistant Top, 9/16", Black
Chain Shimano XT M8100, 12-speed K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters Shimano XT M8100, 1 x 12 Shimano 7-Speed Revo Twist Shifter
Saddle Prologo Kappa RS, T2.0 rails Comfort Cruiser, Elastomer Suspension, Black
Headset FSA integrated sealed cartridge ACB bearing, No. 42, 1.125" - 1.5" Steel, 25.4 x 34 x 30mm, Black
Derailleur Front Reynolds, Shimano Micro Spline, 12 x 148 mm Boost thru axle, Center Lock --
Derailleur Rear Shimano XT M8100, 12-speed Shimano RD-TX35 Tourney
Hub Front -- Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel)
Hub Rear Reynolds, 15 x 110 mm Boost thru axle, Center Lock Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black
Spoke -- 14G Stainless Steel with Brass Nipples
Cassette Shimano XT M8100, 12-speed, 10-51T --
Bottom Bracket -- BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
Stand -- Alloy, Center Mount, Black
Tyres
Front Schwalbe Racing Ray Evo front + Racing Ralph Evo rear, Snakeskin, folding, tubeless ready, 29 x 2.25" Beach Bum 26 x 2.125", Black Wall
Rear Schwalbe Racing Ray Evo front + Racing Ralph Evo rear, Snakeskin, folding, tubeless ready, 29 x 2.25" Beach Bum 26 x 2.125", Black Wall
Wheel / RIM Custom Reynolds TR249 carbon wheelset, tubeless ready, 24 mm inner width Rims:26" x 36H x 14G, Red
Front: 26" x 1.75 x 36H x 14G Alloy-Cruiser, Bolt-On
Rear: 26" x 1.75 x 36H x 14G Alloy-Cruiser, (FOR FREEWHEEL)
Brakes
Front Shimano XT M8100 hydraulic disc, 180 mm rotor Alloy (Linear Pull) Black
Rear Shimano XT M8100 hydraulic disc, 160 mm rotor Alloy (Linear Pull) Black
Brake Lever Shimano Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors Aquafresh / Carbon (Black)
Satin Charcoal Frost / Carbon (Black)
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Physical Specs
Length -- --
Weight -- 27.2 kg
Overview
Features -- --
Additional Details Chainguide : GW S3, low-direct mount

Bottom Bracket : Shimano, BSA threaded, 73 mm

Seatpost Clamp : Felt single bolt, ¯31.8 mm

Thru Axles : Rear: Felt leverless 12 x 148 x 166, thread: M12 x 1.0P x 18L, Syntace
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

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