Bianchi Specialissima Dura Ace Di2 11sp vs Trek Session 8 29 GX

Compare Specifications of Bianchi Specialissima Dura Ace Di2 11sp and Trek Session 8 29 GX

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Bianchi Specialissima Dura Ace Di2 11sp
Bianchi Specialissima Dura Ace Di2 11sp

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Trek Session 8 29 GX
Trek Session 8 29 GX

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Technical Specifications
Load Carrying Capacity -- Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame -- Alpha Platinum Aluminum, high main pivot, idler pulley, integrated frame protection, internal or external routing, magnesium rocker link, Mino Link, ISCG 05 2-bolt mount, Active Braking Pivot, 157 x 12 mm thru axle, 200 mm travel
Stem FSA NS ACR, ST-OS-160, 3D FORGED/CNC AL6061, 31.8MM, RISE -6°, DI2 COMPATIBLE, EXT: 90MM-47/50CM, 100MM-53CM, 110MM-55/57CM, 120MM-59CM, 130MM-61CM Bontrager Line Pro, 35 mm, Direct Mount, 50 mm length
Handle Bar FSA K-FORCE , UD WEAVE CARBON, DIAM. 31.8MM, DROP 125MM, REACH 80MM, 4º OUTWARD BEND, SIZE: 400MM-47/50CM, 420MM-53/57CM, 440MM-59/61CM Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
Fork BIANCHI FULL CARBON W/BIANCHI CV, 1.5" INTEGRATED HEAD, INTERNAL CABLE ROUTING FOR DISC BRAKE, FLAT MOUNT CALIPER, THRU AXLE 12X100MM RockShox Boxxer Select, DebonAir spring, Charger RC damper, 46 mm offset, 20 x 110 mm Boost thru axle, 200 mm travel
Seatpost FSA K-FORCE LIGHT SB25, UD CARBON MONOCOQUE, CLAMP TYPE 2-BOLT HEAD "MTC", SETBACK 25 MM, LENGTH 350MM, 27.2MM, DI2 BATTERY COMPATIBLE Bontrager Rhythm Elite, 31.6 mm, 0 mm offset, 330 mm length
Grip BLACK SOFT MICROFIBER TAPES W/SHOCKPROOF EVA-139 Bontrager XR Trail Elite, nylon lock-on
Crankset SHIMANO DURA ACE FC-R9100 50X34T, HOLLOWTECH II, CRANK LENGTH: 170MM-47/53CM, 172.5MM-55/59CM, 175MM-61CM Truvativ Descendant DH, DUB 83, 34T steel ring, 165 mm length
Pedals -- Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
Chain SHIMANO DURA ACE CN-HG901-11 SRAM PC-1110, 11 speed
Shifters SHIMANO DURA ACE DI2 ST-R9170 2X11SP SRAM GX DH, 7 speed
Saddle FI'ZI:K ARGO VENTO R1, CARBON BRAIDED 7X10 RAIL, 260X140MM Bontrager Arvada, hollow chromoly rails, 138 mm width
Headset FSA NO.55R 1.5"/ACR/BIANCHI

FSA NO.55R 1.5"/ACR/BIANCHI
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Derailleur Front SHIMANO DURA ACE DI2 FD-R9150-F --
Derailleur Rear SHIMANO DURA ACE DI2 RD-R9150 SS 11SP SRAM GX DH, medium cage
Cassette -- SRAM PG-720, 11-25, 7 speed
Sprocket SHIMANO DURA ACE CS-R9100, 11-12-13-14-15-17-19-21-24-27-30T --
Bottom Bracket -- SRAM DUB, 83 mm, BSA threaded
Tyres
Front VITTORIA CORSA G2.0 GRAPHENE 700X25 Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29 x 2.50''
Rear VITTORIA CORSA G2.0 GRAPHENE 700X25 Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29 x 2.50''
Wheel / RIM Spoke Front : Bontrager Line DH 30, Tubeless Ready, 6-bolt, 110 x 20 mm Boost thru axle
Rear : Bontrager Line DH 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano 7 speed freehub, 157 x 12 mm thru axle
Brakes
Front SHIMANO BR-R9170 HYDRAULIC DISC BRAKE, FLAT MOUNT CALIPER SRAM Code R 4-piston hydraulic disc
Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 180 mm
Rear -- SRAM Code R 4-piston hydraulic disc
Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 200 mm
Brake Lever INCLUDED W/SHIFTERS --
Suspension
Front -- --
Rear -- --
Colors Available
Colors BLACK CARBON UD/MERMAID SCALE
GREENISH BLUE/MERMAID SCALE
CK16/MERMAID SCALE
Satin Trek Black


Physical Specs
Length -- --
Weight -- 17.68 kg
Overview
Features -- - Rock the mullet
- Active Braking Pivot
- Suspension Calculator
Additional Details ROTOR : SHIMANO SM-RT900 CENTER LOCK, DIAM. 160MM
SIZES : 470 500 530 550 570 590 610
Shock :
Size : R1 - Fox VAN Performance, 400lb spring, 250 x 72.5 mm
Size : R2 - Fox VAN Performance, 450lb spring, 250 x 72.5 mm
Size : R3 - Fox VAN Performance, 500lb spring, 250 x 72.5 mm

Which one do you think is better? And why?
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