Cervelo R-Series Ultegra Disc vs Trek Session 8 27.5

Compare Specifications of Cervelo R-Series Ultegra Disc and Trek Session 8 27.5

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Cervelo R-Series Ultegra Disc
Cervelo R-Series Ultegra Disc

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Trek Session 8 27.5
Trek Session 8 27.5

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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, tapered head tube, internal control routing, integrated frame protection, downtube guard, ISCG 05 mount, magnesium rocker link, Mino Link, ABP, 157 x 12 mm thru axle, 210 mm travel
Stem Cervélo Ultra Light Alloy Stem Bontrager Line Pro, 35 mm, Direct Mount, 50 mm length
Handle Bar Shimano Ultegra 8020, 11 spd Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
Fork Cervélo All-Carbon, Tapered R3 Fork for Disc RockShox Boxxer Select, DebonAir spring, Charger RC damper, 46 mm offset, 20 x 110 mm Boost thru axle, 200 mm travel
Seatpost Cervélo Carbon SP19 Bontrager Rhythm Elite, 31.6 mm, 0 mm offset, 330 mm length
Grip -- Bontrager XR Trail Elite, alloy lock-on
Crankset Shimano Ultegra 8000 52/36 Truvativ Descendant DH, DUB 83, 34T steel ring, 165 mm length
Pedals -- Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
Chain Shimano CN-HG701, 11 spd SRAM PC-1110, 11 speed
Shifters Shimano Ultegra 8020, 11 spd SRAM GX DH, 7 speed
Saddle Prologo Zero II STN Bontrager Arvada, hollow chromoly rails, 138 mm width
Headset FSA IS2 1-1/8 x 1-1/2 FSA Orbit, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Front Shimano Ultegra 8000, 11 spd --
Derailleur Rear Shimano Ultegra 8000, 11 spd SRAM GX DH, medium cage
Cassette Shimano Ultegra CS-R8000, 11-30 SRAM PG-720, 11-25, 7 speed
Chainrings -- 36T
Bottom Bracket -- SRAM DUB, 83 mm, BSA threaded
Tyres
Front Vittoria Rubino Pro TLR G 25c Bontrager G4 Team Issue, Inner Strength sidewalls, wire bead, 60 tpi, 27.5 x 2.40''
Rear Vittoria Rubino Pro TLR G 25c Bontrager G4 Team Issue, Inner Strength sidewalls, wire bead, 60 tpi, 27.5 x 2.40''
Wheel / RIM DT Swiss P1800 Spline 32 Disc 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 7spd freehub 157 x 12 mm thru axle
Brakes
Front -- 200 mm, SRAM Guide R 4-piston hydraulic disc
Rear -- 180 mm, SRAM Guide R 4-piston hydraulic disc
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Rage Red


Physical Specs
Length -- --
Weight -- 16.27 kg
Overview
Features -- - Active Braking Pivot
- Down Tube Guard
- Suspension Calculator
- Mino Link Adjustable Geometry
Additional Details Bottom Bracket : Cervélo BBright Connect 24 x 90

Brake caliper : Shimano Ultegra 8070 Hydraulic Disc

Brake Rotor : Shimano SM-RT800, 160 mm
Max compatible fork travel : 200 mm

Which one do you think is better? And why?
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