Trek 2023 Fuel EX 9.9 XTR Gen 6 vs Trek 820

Load Carrying Capacity	136 Kg	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	OCLV Mountain Carbon, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9mm seat tube, ISCG 05, 55mm chainline, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140mm travel	Trek Custom Steel, rack mounts, 135 x 5 mm QR
Stem	--	Size : XS - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 60 mm length Size : S - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 80 mm length Size : M/L, L - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 90 mm length Size : XL - Bontrager alloy, 31.8 mm clamp, Blendr compatible, 7 degree, 100 mm length
Handle Bar	--	Size : XS, S - Bontrager alloy, 31.8 mm, 15 mm rise, 660 mm width Size : M/L, L, XL - Bontrager alloy, 31.8 mm, 15 mm rise, 690 mm width
Fork	Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel	SR Suntour M-3030, coil spring, 100 x 5 mm QR, 75 mm travel
Seatpost	Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length	Size : XS, S - Bontrager alloy, 29.2 mm, 12 mm offset, 300 mm length Size : M/L, L - Bontrager alloy, 29.2 mm, 12 mm offset, 330 mm length Size : XL - Bontrager alloy, 29.2 mm, 12 mm offset, 400 mm length
Grip	Bontrager XR Trail Elite, nylon lock-on	Bontrager SSR
Crankset	E*thirteen TRS Race Carbon, 30T, 55mm chainline, 170mm length	Shimano Tourney TY301, 42/34/24, 170 mm length
Pedals	--	VP-536 nylon platform
Chain	Shimano Dura-Ace/XTR M9100, 12 speed	KMC Z7, 7 speed
Shifters	Shimano XTR M9100, 12 speed	Shimano Tourney EF41, 7 speed
Saddle	Bontrager Arvada Pro, carbon rails, 138mm width	Bontrager Sport
Headset	Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible	1-1/8'' threadless
Derailleur Front	--	Shimano Tourney TY500, 31.8 mm clamp, top swing, dual pull
Derailleur Rear	Shimano XTR M9100, Shadow Plus, long cage, 51T max cog	Shimano Tourney TY300, long cage, 34T max cog
Hub Front	--	Formula FM31 alloy, 7sp freewheel, 135 x 5 mm QR
Hub Rear	--	Formula FM21 alloy, 100 x 5 mm QR
Spoke	--	Bontrager Approved
Cassette	Shimano XTR M9101, 10-51, 12 speed	Shimano TZ500, 14-28, 7 speed
Chainrings	--	42 / 34 / 24
Bottom Bracket	E*thirteen BB20-P, BSA threaded, 73mm width	--

Front	Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''	Frame : 26 x 2.00" Fork : See manufacturer
Rear	Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''	Frame : 26 x 2.00" Fork : See manufacturer
Wheel / RIM	Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready	Bontrager AT-550, alloy, 36-hole, schrader valve

Front	Shimano XTR M9120 4-piston hydraulic disc Rotor : Shimano RT86, 6-bolt, 180mm	Tektro alloy linear-pull
Rear	Shimano XTR M9120 4-piston hydraulic disc Rotor : Shimano RT86, 6-bolt, 203mm	Tektro alloy linear-pull

Front	--	--
Rear	--	--

Colors

Deep Smoke Mulsanne Blue Satin Baja Yellow

Matte Trek Black

Length	--	--
Weight	13.70 kg	15.28 kg

Features	- Internal Storage - Active Braking Pivot	--
Additional Details	Shock : Fox Factory Float X, 2-position damper, 185mm x 55mm	Max compatible fork travel : 75 mm