Ampler Stellar vs Trek Checkpoint SLR 9 AXS

Fuel	Electric	Electric
Motor	48 V 250 W rear hub motor	--
Range	45-100 km depending on terrain and assist mode	--
Charging Time	2.5 hours for a full charge	--
Engine Starting	Electric Start	--
Top Speed	25 kmph	--
Battery	48 V 336 Wh LG Li-ion battery	SRAM eTap battery pack (with charger)
Charger	3A Li-ion charger with Rosenberger magnetic plug	--
Frame	Aluminum Alloy 6061	700 Series OCLV Carbon, IsoSpeed, downtube storage door, internal routing, Ride Tuned seat mast, chain keeper, T47 BB, mudguard mounts, integrated frame bag mounts, flat-mount disc, 142x12 mm thru axle
Stem	--	Size: 49 Bontrager RSL Carbon, 31.8 mm clamp, 7-degree, 70 mm length Size: 52, 54 Bontrager RSL Carbon, 31.8 mm clamp, 7-degree, 80 mm length Size: 56, 58 Bontrager RSL Carbon, 31.8 mm clamp, 7-degree, 90 mm length Size: 61 Bontrager RSL Carbon, 31.8 mm clamp, 7-degree, 100 mm length
Handle Bar	--	Size: 49 Bontrager Pro IsoCore VR-SF, 38cm Size: 52 Bontrager Pro IsoCore VR-SF, 40cm Size: 54, 56 Bontrager Pro IsoCore VR-SF, 42cm Size: 58, 61 Bontrager Pro IsoCore VR-SF, 44cm
Fork	Aluminium 1 1/8", 12 mm thru axle	Checkpoint carbon, tapered carbon steerer, mudguard mounts, flat-mount disc, 12x100 mm thru axle
Seatpost	--	Size: 49, 52, 54, 56 Bontrager carbon seat mast cap, 5 mm offset, short length Size: 58, 61 Bontrager carbon seat mast cap, 5 mm offset, tall length
Crankset	Alloy 42T, 170 mm	Size: 49 SRAM RED AXS w/ power meter, 40T, DUB, 165 mm length Size: 52 SRAM RED AXS w/ power meter, 40T, DUB, 170 mm length Size: 54, 56 SRAM RED AXS w/ power meter, 40T, DUB, 172.5 mm length Size: 58, 61 SRAM RED AXS w/ power meter, 40T, DUB, 175 mm length
Chain	Shimano/Sram compatible 10-speed chain	SRAM RED D1, 12-speed
Shifters	--	SRAM RED eTap AXS, 12-speed
Saddle	--	Size: 49, 52 Verse Short Pro, carbon rails, 155 mm width Size: 54, 56, 58, 61 Verse Short Pro, carbon rails, 145 mm width
Derailleur Rear	Shimano Deore RD-T6000 10-speed	SRAM RED XPLR eTap AXS, 44T max cog
Cassette	CS-HG500 11-32T	SRAM XG-1271, 10-44, 12-speed
Bottom Bracket	--	SRAM DUB, T47 threaded, internal bearing
Headlamp	Busch+Müller IQ2 Eyc LED	--
Taillamp	LightSKIN integrated seat post LED	--

Front	42-622 mm Continental Top Contact II	Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40 mm
Rear	42-622 mm Continental Top Contact II	Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40 mm
Wheel / RIM	28" wheels with 18 mm asymmetrical rims and sealed bearing hubs, 36H	Wheel front Bontrager Aeolus RSL 37V, OCLV Carbon, Tubeless Ready, 37 mm rim depth, 100 x 12mm thru axle Wheel rear Bontrager Aeolus RSL 37V, OCLV Carbon, Tubeless Ready, 37 mm rim depth, 142 x 12mm thru axle

Front	Shimano Deore T6000 hydraulic disc brake	SRAM Red AXS hydraulic disc
Rear	Shimano Deore T6000 hydraulic disc brake	SRAM Red AXS hydraulic disc

Front	--	--
Rear	--	--

Colors

Racing Red Space Blue

--

Length	--	--
Weight	17.2 kg	8.10 kg

Features	- Precise pedal torque sensing motor control system - Smartphone connectivity	--
Additional Details	Bottom Bracket : Sealed BB with a torque sensor	--