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2025

Madone SLR 8 AXS Gen 8

Model 5331186

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Frame with Fork	900 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic-only routing, removable aero chainkeeper, T47 BB, flat mount disc, UDH, 142x12mm thru axle
Fork	Madone Gen 8 one-piece carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle

Frame with Fork

900 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic-only routing, removable aero chainkeeper, T47 BB, flat mount disc, UDH, 142x12mm thru axle

Fork

Madone Gen 8 one-piece carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle

Weight	ML - 7.20 kg / 15.88 lbs (with TLR sealant, no tubes)
Weight limit	This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).

Weight

ML - 7.20 kg / 15.88 lbs (with TLR sealant, no tubes)

Weight limit

This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).

Battery	SRAM eTap battery pack (with charger)

Shifter	SRAM RED eTap AXS, 12 speed
Front derailleur	SRAM RED eTap AXS, braze-on
Rear derailleur	SRAM RED eTap AXS, 36T max cog
*Crank	Size: XS, S SRAM RED AXS w/ power meter, 48/35, DUB, 165mm length
Size: M SRAM RED AXS, power meter, 48/35, DUB, 170mm length
Size: ML, L SRAM RED AXS, power meter, 48/35, DUB, 172.5mm length
Size: XL SRAM RED AXS, power meter, 48/35, DUB, 175mm length
Bottom bracket	SRAM DUB, T47 threaded, internal bearing
Cassette	SRAM RED XG-1290, 10-33, 12 speed
Chain	SRAM RED D1, 12 speed
Max chainring size	1x: 54T, 2x: 56/43

Shifter

SRAM RED eTap AXS, 12 speed

Front derailleur

SRAM RED eTap AXS, braze-on

Rear derailleur

SRAM RED eTap AXS, 36T max cog

*Crank

Size: XS, S
SRAM RED AXS w/ power meter, 48/35, DUB, 165mm length

Size: M
SRAM RED AXS, power meter, 48/35, DUB, 170mm length

Size: ML, L
SRAM RED AXS, power meter, 48/35, DUB, 172.5mm length

Size: XL
SRAM RED AXS, power meter, 48/35, DUB, 175mm length

Bottom bracket

SRAM DUB, T47 threaded, internal bearing

Cassette

SRAM RED XG-1290, 10-33, 12 speed

Chain

SRAM RED D1, 12 speed

Max chainring size

1x: 54T, 2x: 56/43

Wheel front	Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, 100x12mm thru axle
Wheel rear	Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, SRAM XD-R driver, 142x12mm thru axle
Skewer front	Bontrager Switch chamfered thru axle, removable lever
Skewer rear	Bontrager Switch chamfered thru axle, removable lever
*Tire	Size: XS, S, M, ML, L, XL Bontrager Aeolus RSL RD, Tubeless Ready, cotton construction, aramid bead, 170 tpi, 700x28mm
Size: XS, S, M, ML, L, XL Pirelli P Zero Race, 120 tpi, tubeless compatible, 700x28mm
Tire part	Bontrager TLR sealant, 180 ml/6 oz
Max tire size	32mm (as measured, see manual for details)

Wheel front

Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, 100x12mm thru axle

Wheel rear

Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, SRAM XD-R driver, 142x12mm thru axle

Skewer front

Bontrager Switch chamfered thru axle, removable lever

Skewer rear

Bontrager Switch chamfered thru axle, removable lever

*Tire

Size: XS, S, M, ML, L, XL
Bontrager Aeolus RSL RD, Tubeless Ready, cotton construction, aramid bead, 170 tpi, 700x28mm

Size: XS, S, M, ML, L, XL
Pirelli P Zero Race, 120 tpi, tubeless compatible, 700x28mm

Tire part

Bontrager TLR sealant, 180 ml/6 oz

Max tire size

32mm (as measured, see manual for details)

*Saddle	Size: XS, S Bontrager Aeolus P2 Pro, carbon rails, 155mm width
Size: M, ML, L, XL Bontrager Aeolus Pro, carbon rails, 145mm width
*Seatpost	Size: XS, S, M, XL Madone aero carbon seatpost, 0mm offset, short length
Size: ML, L Madone aero carbon seatpost, 0mm offset, long length
*Handlebar/stem (integrated)	Size: XS Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 35cm control width, 38cm drop width, 80mm stem length
Size: S Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 37cm control width, 40cm drop width, 90mm stem length
Size: M Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 39cm control width, 42cm drop width, 90mm stem length
Size: ML, L Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 39cm control width, 42cm drop width, 100mm stem length
Size: XL Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 41cm control width, 44cm drop width, 110mm stem length
Handlebar tape	Trek EcoTack
Brake rotor	SRAM CenterLine X, centerlock, round edge, 160mm
Rotor size	Max brake rotor sizes: 180mm front, 160mm rear

*Saddle

Size: XS, S
Bontrager Aeolus P2 Pro, carbon rails, 155mm width

Size: M, ML, L, XL
Bontrager Aeolus Pro, carbon rails, 145mm width

*Seatpost

Size: XS, S, M, XL
Madone aero carbon seatpost, 0mm offset, short length

Size: ML, L
Madone aero carbon seatpost, 0mm offset, long length

*Handlebar/stem (integrated)

Size: XS
Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 35cm control width, 38cm drop width, 80mm stem length

Size: S
Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 37cm control width, 40cm drop width, 90mm stem length

Size: M
Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 39cm control width, 42cm drop width, 90mm stem length

Size: ML, L
Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 39cm control width, 42cm drop width, 100mm stem length

Size: XL
Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 41cm control width, 44cm drop width, 110mm stem length

Handlebar tape

Trek EcoTack

Brake rotor

SRAM CenterLine X, centerlock, round edge, 160mm

Rotor size

Max brake rotor sizes: 180mm front, 160mm rear

Sizing

size-table
Size	Rider Height	Inseam
XS (47cm)	143 - 158 cm 4'8" - 5'2"	67 - 74 cm 26" - 29"
S (50cm)	158 - 162 cm 5'2" - 5'4"	74 - 76 cm 29" - 30"
M (52-54cm)	162 - 173 cm 5'4" - 5'8"	76 - 81 cm 30" - 32"
ML (56cm)	173 - 179 cm 5'8" - 5'10"	81 - 84 cm 32" - 33"
L (58cm)	179 - 188 cm 5'10" - 6'2"	84 - 88 cm 33" - 35"
XL (60-62cm)	188 - 213 cm 6'2" - 7'0"	88 - 100 cm 35" - 39"

Geometry

All measurements provided in cm unless otherwise stated.

Sizing table
Frame size letter	Wheel size	A — Seat tube	B — Seat tube angle	C — Head tube length	D — Head angle	E — Effective top tube	G — Bottom bracket drop	H — Chainstay length	I — Offset	J — Trail	K — Wheelbase	L — Standover	M — Frame reach	N — Frame stack	Saddle rail height min (w/short mast)	Saddle rail height max (w/short mast)	Saddle rail height min (w/tall mast)	Saddle rail height max (w/tall mast)
XS	700c	40.4	73.8°	10.0	71.6°	51.7	7.2	41.0	5.0	6.1	97.1	70.4	37.0	50.7	54.9	61.2	59.2	65.4
S	700c	44.0	73.8°	12.1	72.2°	53.2	7.2	41.0	4.5	6.2	97.6	73.4	37.8	53.0	58.5	64.8	62.8	69.0
M	700c	47.6	73.6°	13.6	72.9°	54.5	7.0	41.0	4.5	5.8	98.1	76.2	38.4	54.6	62.1	68.4	66.4	72.6
ML	700c	51.2	73.4°	15.0	73.5°	55.7	7.0	41.0	4.0	5.9	98.0	79.0	38.9	56.2	65.7	72.0	70.0	76.2
L	700c	54.8	73.4°	17.2	73.8°	56.8	6.8	41.1	4.0	5.7	99.0	82.0	39.4	58.2	69.3	75.6	73.6	79.8
XL	700c	60.9	73.4°	20.1	73.9°	58.4	6.8	41.2	4.0	5.7	100.7	86.3	40.2	61.0	75.4	81.7	79.7	85.9

Madone SLR 8 AXS Gen 8

Sizing

Geometry

Madone SLR 8 AXS Gen 8

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