Trek Emonda ALR 4 Disc vs Trek Session 8 27.5

Compare Specifications of Trek Emonda ALR 4 Disc and Trek Session 8 27.5

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Trek Emonda ALR 4 Disc
Trek Emonda ALR 4 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 Ultralight 300 Series Alpha Aluminum, Invisible Weld technology, tapered head tube, Control Freak internal routing, DuoTrap S compatible, flat mount disc 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 Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree Bontrager Line Pro, 35 mm, Direct Mount, 50 mm length
Handle Bar Bontrager Comp VR-C, alloy Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
Fork Emonda SL full carbon, tapered carbon steerer, internal brake routing, flat mount disc RockShox Boxxer Select, DebonAir spring, Charger RC damper, 46 mm offset, 20 x 110 mm Boost thru axle, 200 mm travel
Seatpost Bontrager Approved, alloy Bontrager Rhythm Elite, 31.6 mm, 0 mm offset, 330 mm length
Grip Bontrager Supertack Perf tape Bontrager XR Trail Elite, alloy lock-on
Crankset Shimano Tiagra 4700 Truvativ Descendant DH, DUB 83, 34T steel ring, 165 mm length
Pedals -- Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
Chain Shimano Tiagra HG54, 10 speed SRAM PC-1110, 11 speed
Shifters Shimano Tiagra R4725, short reach lever, 10 speed SRAM GX DH, 7 speed
Saddle Bontrager Montrose Comp Bontrager Arvada, hollow chromoly rails, 138 mm width
Headset FSA Integrated, sealed cartridge bearing, 1-1/8 top, 1.5 bottom FSA Orbit, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Front Shimano Tiagra 4700, braze-on --
Derailleur Rear Shimano Tiagra 4700, long cage SRAM GX DH, medium cage
Hub Front Bontrager alloy, sealed bearing, centerlock disc --
Hub Rear Bontrager alloy, sealed bearing, centerlock disc --
Spoke 14 g stainless steel --
Cassette Shimano Tiagra HG500, 12-28, 10 speed SRAM PG-720, 11-25, 7 speed
Chainrings 50 / 34 T 36T
Bottom Bracket -- SRAM DUB, 83 mm, BSA threaded
Tyres
Front Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 25 c Bontrager G4 Team Issue, Inner Strength sidewalls, wire bead, 60 tpi, 27.5 x 2.40''
Rear Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 25 c Bontrager G4 Team Issue, Inner Strength sidewalls, wire bead, 60 tpi, 27.5 x 2.40''
Wheel / RIM Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, Presta valve 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 Matte/Gloss Trek Black 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 Axles
Front : 12 x 100 mm thru-axle
Rear : 12 x 142 mm thru-axle
Bottom Bracket : Shimano BB71, 86.5 mm, PressFit
Max compatible fork travel : 200 mm

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