Trek Madone SLR 9 AXS Gen 8 (2025)
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Trek Madone SLR 9 AXS Gen 8 (2025) is built to keep the pace high as the gradient changes. Full System Foil aerodynamic profiles reduce drag, while the carbon construction and race geometry give the Madone Gen 8 a character suited to accelerations, climbs and fast group rides.
- Comfort at speed: The IsoFlow seat tube allows the saddle area to flex and absorb impacts from the road surface. This helps when you want to hold your position and keep pushing on uneven tarmac.
- Carbon and SLR components: The OCLV 900 Series frame is paired with the integrated Trek Aero RSL Road carbon cockpit for an aerodynamic riding position.
- SRAM RED AXS and Aeolus RSL 51: The SRAM RED AXS 12-speed wireless electronic rear derailleur works with 48/35 chainrings and a 10-33 cassette. The Aeolus RSL 51 wheels are made from OCLV carbon and are Tubeless Ready.
Aerodynamics, pedalling response and comfort work together: a Madone for the whole route, from the first climb to the fast ride home.
Technical specifications
Differences between sizes are listed in the individual entries.
Frame and fork
| Frame | OCLV 900 Series carbon, Full System Foil tube profiles, IsoFlow seat tube, RCS headset, cable routing for electronic shifting only, removable aero chain keeper, T47 bottom bracket, flat mount disc brakes, UDH, 142x12mm thru axle |
|---|---|
| Fork | Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle |
Weight and load limits
| Weight | ML - 7.00kg/15,44lbs (with TLR sealant, without inner tube) |
|---|---|
| Weight limit | This model has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125kg. |
Electrical system
| Battery | SRAM eTap battery (with charger) |
|---|
Drivetrain
| Shifter | SRAM RED AXS E1 |
|---|---|
| Front derailleur | SRAM RED AXS E1, braze-on |
| Rear derailleur | SRAM RED AXS E1, maximum sprocket 36 teeth |
| *Crankset |
Size: XS, S SRAM RED AXS E1, Power Meter, 48/35, DUB, length 165mm |
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Size: M SRAM RED AXS E1, Power Meter, 48/35, DUB, length 170mm |
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Size: ML, L SRAM RED AXS E1, Power Meter, 48/35, DUB, length 172.5mm |
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Size: XL SRAM RED AXS E1, Power Meter, 48/35, DUB, length 175mm |
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| Bottom bracket | SRAM DUB, threaded T47, internal bearing |
| Cassette | SRAM RED XG-1290 E1, 10-33, 12-speed |
| Chain | SRAM RED E1, 12-speed |
| Maximum chainring size | 1x: 54T, 2x: 56/43 |
Wheels and tyres
| Front wheel | Bontrager Aeolus RSL 51, OCLV carbon, Tubeless Ready, 51mm rim depth, 100x12mm thru axle |
|---|---|
| *Rear wheel |
Size: XS, S, M, ML, L, XL Bontrager Aeolus RSL 51, OCLV carbon, Tubeless Ready, 51mm rim depth, Shimano 11/12 freehub, 142x12mm thru axle |
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Size: XS, S, M, ML, L, XL Bontrager Aeolus RSL 51, OCLV carbon, Tubeless Ready, 51mm rim depth, SRAM XD-R drivetrain, 142x12mm thru axle |
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| Front axle | Bontrager Switch chamfered thru axle, removable lever |
| Rear axle | Bontrager Switch chamfered thru axle, removable lever |
| Rim | Bontrager Aeolus RSL 51, OCLV carbon, Tubeless Ready |
| *Tyre |
Size: XS, S, M, ML, L, XL Bontrager Aeolus RSL RD, Tubeless Ready, cotton casing, aramid bead, 170tpi, 700x28mm |
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Size: XS, S, M, ML, L, XL Pirelli P Zero Race, 120tpi, tubeless compatible, 700x28mm |
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| Tyre component | Bontrager TLR sealant, 6oz |
| Maximum tyre size | 32mm (measured, see manual for details) |
Components
| *Saddle |
Size: XS, S Aeolus RSL, carbon rails, width 155mm |
|---|---|
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Size: M, ML, L, XL Aeolus RSL, carbon rails, width 145mm |
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| *Seatpost |
Size: XS, S, M Madone aero carbon seatpost, 0mm offset, short |
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Size: ML, L, XL Madone aero carbon seatpost, 0mm offset, long |
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| *Handlebar/stem (integrated) |
Size: XS Trek Aero RSL Road integrated handlebar/stem, OCLV carbon, reach 80mm, drop 124mm, control width 35cm, drop width 38cm, stem length 80mm |
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Size: S Trek Aero RSL Road integrated handlebar/stem, OCLV carbon, reach 80mm, drop 124mm, control width 37cm, drop width 40cm, stem length 90mm |
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Size: M Trek Aero RSL Road integrated handlebar/stem, OCLV carbon, reach 80mm, drop 124mm, control width 39cm, drop width 42cm, stem length 90mm |
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Size: ML, L Trek Aero RSL Road integrated handlebar/stem, OCLV carbon, reach 80mm, drop 124mm, control width 39cm, drop width 42cm, stem length 100mm |
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Size: XL Trek Aero RSL Road integrated handlebar/stem, OCLV carbon, reach 80mm, drop 124mm, control width 41cm, drop width 44cm, stem length 110mm |
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| Disc size | Maximum brake rotor size: 180mm front, 160mm rear |
Sizes
| Size | Rider height | Inside leg |
|---|---|---|
| XS |
143 - 158 cm 4'8" - 5'2" |
67 - 74 cm 26" - 29" |
| S |
158 - 162 cm 5'2" - 5'4" |
74 - 76 cm 29" - 30" |
| M |
162 - 173 cm 5'4" - 5'8" |
76 - 81 cm 30" - 32" |
| ML |
173 - 179 cm 5'8" - 5'10" |
81 - 84 cm 32" - 33" |
| L |
179 - 188 cm 5'10" - 6'2" |
84 - 88 cm 33" - 35" |
| XL |
188 - 213 cm 6'2" - 7'0" |
88 - 100 cm 35" - 39" |
Trek was founded in 1976 in Waterloo, Wisconsin, by Dick Burke and Bevil Hogg and is still based in the same city today. It makes road, mountain, gravel, city and electric bikes to support different ways of riding. Its story began in a barn, with 904 steel touring frames produced in its first year.
Manufacturer
Trek Bicycle Corporation
801 W. Madison Street, Waterloo, Wisconsin 53594, USA
www.trekbikes.com/us/en_US/contactUs
EU responsible person
Bikeurope BV
Ceintuurbaan 2-20C, 3847 LG Harderwijk, Paesi Bassi
www.trekbikes.com/nl/nl_NL/contactUs
Product identifier
EAN 601842999547 · SKU 5319541