Brand: TREK
Reference: 5320050
Trek's 2025 Madone SL 6 AXS Gen 8 is a lightweight, aerodynamic road bike that offers elite racing technology at a more affordable price. It offers similar aerodynamic benefits to the higher-priced Madone SLR Gen 8, but with a cheaper OCLV 500 carbon layup and a two-piece cockpit with hidden wiring. It is designed for competition, with a geometry that maintains speed in sprints and control on fast descents. For precise, fully customizable shifting, it's equipped with SRAM's Rival AXS electronic groupset, plus carbon wheels for lighter performance.
It is ideal for you if...
You want a featherweight road bike, without the price of a high-end competition bike. You enjoy racing, group rides or solo kilometers through winding gorges, and you don't want to give up climbing efficiency or aerodynamics. Plus, you get the wireless performance of SRAM's Rival AXS groupset.
Features
Revolutionary Full System Foil aerodynamic tube shapes redefine the look of the bike. speed and contribute to optimizing the aerodynamics of the entire bicycle.
The more economical 500 Series OCLV carbon frame and new tube shape reduce weight where it matters most to help you fly up the climbs.
Carbon wheels keep weight under control and increase performance, so you can crush the climbs and descend the open grave.
You get precise and customizable shifting with the Rival AXS 2x12 wireless groupset from SRAM.
Lightweight, competition-oriented IsoFlow comfort technology helps you ride with more power and for longer, without sacrificing weight or aerodynamics.
This bike comes tubeless equipped, a first in Trek's road performance history.
Frame Assembly
500 Series OCLV Carbon frame, Full System Foil tube shapes, IsoFlow seat tube, RCS headset system, electronic or mechanical cable routing, removable aerodynamic chain guide, T47 bottom bracket, flat mount disc, UDH, thru axle 142x12 mm
Madone Gen 8 full carbon fork, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle
Weight
ML Weight - 8.43 kg / 18.59 lbs (with TLR sealant, without tubes)
Weight limit This bicycle has a maximum weight limit (combined weight of bicycle, rider and load) of 125 kg.
Electrical system
Battery SRAM eTap battery pack (with charger)
Transmission
SRAM Rival eTap AXS shift lever, 12 speeds
SRAM Rival D1 AXS derailleur, solder type
SRAM Rival AXS rear derailleur
*Peddalier
Size: XS, S
SRAM Rival AXS with potentiometer, 48/35, DUB, 165 mm length
Size: M
SRAM Rival AXS with potentiometer, 48/35, DUB, 170 mm length
Size: ML, L
SRAM Rival AXS with potentiometer, 48/35, DUB, length 172.5 mm
Size: XL
SRAM Rival AXS potentiometer, 48/35, DUB, 175 mm length
SRAM DUB bottom bracket, T47 threaded, internal bearing
SRAM XG-1250 cassette, 10-36, 12 speeds
Maximum chainring size 1x: 54D, 2x: 56/43
Wheels
Bontrager Aeolus Elite 35 front wheel, OCLV Carbon, Tubeless Ready, 35 mm rim profile, 100x12 mm thru axle
Bontrager Aeolus Elite 35 rear wheel, OCLV Carbon, Tubeless Ready, SRAM XD-R core, 142x12 mm thru axle
Front closure Bontrager Switch beveled thru axle, removable lever
Rear closure Bontrager Switch beveled thru-axle, removable lever
Bontrager R3 Hard-Case Lite tire, Tubeless Ready, aramid rim, 170 tpi, 700x28 mm
Bontrager TLR rim tape
Max. size. cover 32 mm (according to measurements, see manual for detailed information).
Components
*Saddle
Size: XS, S
Bontrager Aeolus Comp, steel rails, width 155 mm
Size: M, ML, L, XL
Bontrager Aeolus Comp, steel rails, width 145 mm
*Seatpost
Size: XS, S, M
Madone aerodynamic carbon integrated seatpost, 0mm offset, short
Size: ML, L, XL
Madone aerodynamic carbon integrated seatpost, 0mm offset, long
*Handlebar
Size: XS
Bontrager Comp, aluminum, 31.8 mm, 80 mm advance, 121 mm drop, 36 cm lever width, 40 cm handlebar end width
Size: S, M
Bontrager Comp, aluminum, 31.8 mm, 80 mm advance, 121 mm drop, lever width 38 cm, handlebar end width 42 cm
Size: ML, L
Bontrager Comp, aluminum, 31.8 mm, 80 mm advance, 121 mm drop, 40 cm lever width, 44 cm handlebar end width
Size: XL
Bontrager Comp, aluminum, 31.8 mm, 80 mm advance, 121 mm drop, 42 cm lever width, 46 cm handlebar end width
*Power
Size: XS
Trek RCS Pro, -7 degrees, 80 mm length
Size: S, M
Trek RCS Pro, -7 degrees, 90 mm length
Size: ML, L
Trek RCS Pro, -7 degrees, 100 mm length
Size: XL
Trek RCS Pro, -7 degrees, 110 mm length
SRAM Paceline brake disc, rounded, centerlock, 160 mm
Disc size Maximum brake disc sizes: 180 mm front, 160 mm rear