Trek Madone SL 5 Gen 8 Road Bike
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Madone SL 5 Gen 8 is a lightweight aerodynamic road bike that makes elite technology accessible. It offers similar aerodynamic benefits to the more expensive Madone SLR Gen 8, but with a more affordable OCLV 500 carbon lay-up and a two-piece cockpit with concealed cable routing. It is designed for racing, with geometry that prioritises speed in sprints while allowing you to stay in control on fast descents. A Shimano 105 groupset offers excellent value, providing a clean, reliable mechanical solution.
Specifications
*Note: specifications apply to all sizes unless listed separately
| Frame | OCLV 500 Series carbon, Full System Foil tube profiles, IsoFlow seat tube, RCS headset, cable routing for electronic or mechanical shifting, removable aero chain keeper, T47 bottom bracket, flat mount disc brakes, UDH, 142x12mm thru axle |
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| Fork | Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle |
| Weight | ML - 8.70 kg / 19.19 lbs (with inner tubes) |
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| Weight limit | This model has a maximum total weight limit (combined weight of bike, rider and cargo) of 125kg. |
| Shifter | Shimano 105 R7120, 12-speed |
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| Front derailleur | Shimano 105 R7100, braze-on, low clamp |
| Rear derailleur | Shimano 105 R7100, maximum sprocket 36 teeth |
| *Crankset |
Size: XS, S Shimano 105 R7100, 50/34, length 165mm |
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Size: M Shimano 105 R7100, 50/34, length 170mm |
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Size: ML, L Shimano 105 R7100, 50/34, length 172.5mm |
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Size: XL Shimano 105 R7100, 50/34, length 175mm |
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| Bottom bracket | Praxis, threaded T47, internal bearing |
| Cassette | Shimano 105 7101, 11-34, 12-speed |
| Chain | Shimano SLX M7100, 12-speed |
| Maximum chainring size | 1x: 54T, 2x: 56/43 |
| Front wheel | Bontrager Paradigm SL, Tubeless Ready, rim width 21mm, 100x12mm thru axle |
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| Rear wheel | Bontrager Paradigm SL, Tubeless Ready, rim width 21mm, 142x12mm thru axle |
| Front hub | Bontrager alloy, sealed bearing, Centerlock disc, 100x12mm thru axle |
| Front axle | Bontrager Switch chamfered thru axle, removable lever |
| Rear hub | Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle |
| Rear axle | Bontrager Switch chamfered thru axle, removable lever |
| Rim | Bontrager Paradigm SL, Tubeless Ready, 24 holes, width 21mm, Presta valve |
| Spokes | 14g stainless steel, black |
| Tyre | Bontrager R1 Hard-Case Lite, wire bead, 60tpi, 700x28mm |
| Maximum tyre size | 32mm (measured, see manual for details) |
| *Saddle |
Size: XS, S Bontrager Aeolus Comp, steel rails, width 155mm |
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Size: M, ML, L, XL Bontrager Aeolus Comp, steel 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 |
Size: XS Bontrager Comp, alloy, 31.8mm, reach 80mm, drop 121mm, hood width 36cm, drop width 40cm |
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Size: S, M Bontrager Comp, alloy, 31.8mm, reach 80mm, drop 121mm, hood width 38cm, drop width 42cm |
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Size: ML, L Bontrager Comp, alloy, 31.8mm, reach 80mm, drop 121mm, hood width 40cm, drop width 44cm |
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Size: XL Bontrager Comp, alloy, 31.8mm, reach 80mm, drop 121mm, hood width 42cm, drop width 46cm |
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| *Stem |
Size: XS Trek RCS Pro, -7 degrees, length 80mm |
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Size: S, M Trek RCS Pro, -7 degrees, length 90mm |
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Size: ML, L Trek RCS Pro, -7 degrees, length 100mm |
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Size: XL Trek RCS Pro, -7 degrees, length 110mm |
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| Brake rotor | Shimano RT70, Centerlock, 160mm |
| Disc size | Maximum brake rotor size: 180mm front, 160mm rear |
We reserve the right to change the product information on the website at any time without notice, including details of equipment, specifications, models, colours, materials and prices. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bicycle and frame weights refer to painted pre-production products at the time of printing. The weight of the finished product may vary.
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" |