Trek Checkpoint AL 4 vs Trek Procaliber 9.5

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	200 Series Alpha Aluminum, tapered head tube, Control Freak internal routing, rack & fender mounts, flat mount disc	OCLV Mountain Carbon, IsoSpeed, tapered head tube, Knock Block, internal control routing, balanced post mount brake, Boost148
Stem	Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree	Size : S - Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0 degree, 60 mm length Size : M, M/L - Bontrager Rhythm Comp, Knock Block, 31.8 mm, 0 degree, 70 mm length Size : L, XL - Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0 degree, 80 mm length
Handle Bar	Bontrager Comp VR-C, alloy, 31.8 mm	Size : S, M, M/L - Bontrager Comp, alloy, 31.8 mm, 5 mm rise, 720 mm width Size : L, XL Bontrager Comp, alloy, 31.8 mm, 15 mm rise, 750 mm width
Fork	Checkpoint carbon, tapered alloy steerer, rack & fender mounts, flat mount disc	RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, Boost110, 15 mm Maxle Stealth, 100 mm travel
Seatpost	Bontrager Approved, alloy, 27.2 mm, 8 mm offset	Size : S - Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length Size : M - Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length Size : M/L, L, XL - Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
Grip	Bontrager Supertack Perf tape	Bontrager XR Trail Comp, nylon lock-on
Crankset	Shimano Tiagra 4700	Size : S, M - Shimano MT511, 30T steel ring, Boost (52 mm chainline), 170 mm length Size : M, M/L, L, XL - Shimano MT511, 30T steel ring, Boost (52 mm chainline), 175 mm length
Chain	Shimano Tiagra HG54, 10 speed	Shimano Deore M6100, 12 speed
Shifters	Shimano Tiagra R4725, short reach lever, 10 speed	Shimano Deore M6100, 12 speed
Saddle	Bontrager Arvada Comp, steel rails	Bontrager Arvada, steel rails, 138 mm width
Headset	FSA Integrated, sealed cartridge bearing, 1-1/8 top, 1.5 bottom	Knock Block Integrated, 62-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Front	Shimano Tiagra 4700, 31.8 mm clamp	--
Derailleur Rear	Shimano Tiagra 4700, long cage	Shimano Deore M6100, long cage
Hub Front	Formula RX-512 alloy, 6-bolt	Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle
Hub Rear	Formula RX-512 alloy, 6-bolt	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle
Spoke	--	15g stainless steel
Cassette	Shimano HG500, 11-32, 10 speed	Shimano Deore M6100, 10-51, 12 speed
Chainrings	50 / 34 T	36T, Min 30T
Bottom Bracket	--	Shimano MT500, 92 mm, PressFit

Front	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32 c	Bontrager XR2 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.20''
Rear	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32 c	Bontrager XR2 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.20''
Wheel / RIM	Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, presta valve	Front : Bontrager Kovee TLR rim/DC-611 Boost hub, 29'', 28H, 15 Gauge Spokes, Black/Black Rear : Bontrager Kovee TLR rim/MST148A Boost hub, 29'', 28H, 15 Gauge Spokes, Micro Spline Freehub, Black rim graphics, spokes, and nipples

Front	--	Shimano MT200 hydraulic disc Brake Rotor : Shimano RT26, 6-bolt,160 mm
Rear	--	Shimano MT200 hydraulic disc Brake Rotor : Shimano RT26, 6-bolt,180 mm

Front	--	--
Rear	--	--

Colors

Battleship Blue Matte Gravel

Lithium Grey/Trek Black

Length	--	--
Weight	--	11.64 kg

Features	--	- IsoSpeed decoupler - Straight Shot downtube - OCLV Mountain Carbon - Knock Block - Complete Tubeless System - Easier Internal Routing
Additional Details	Axles Front : 12 x 100 mm thru-axle Rear : 12 x 142 mm thru-axle Bottom Bracket : Shimano RS500, 68 mm, threaded external	Max compatible fork travel : 110 mm (515 axle-to-crown)