Trek Supercaliber 9.8 GX AXS
Supercaliber 9.8 is a cross-country race bike developed for podium-topping World Cup speed. Its category-defining setup features our exclusive IsoStrut integrated shock and a lightweight FOX fork for a capable ride that's flat-out fast and soaks up technical terrain.
It's right for you if...
You want to ride what the pros ride and you want to win. You’re looking for a bike that's built for shocking speed and capability on even the hardest cross country courses, and comes decked out with light, fast upgrades on everything from the fork to the SRAM AXS drivetrain.
The tech you get
An ultra-lightweight, full OCLV Mountain Carbon frame with 60mm of travel, a 100mm RockShox SID SL fork, and Trek's exclusive IsoStrut FOX Performance shock designed specifically for Supercaliber. Plus, dual remote suspension lockout, a SRAM GX Eagle AXS wireless electronic 1x12 drivetrain with carbon cranks and a 10-52 cassette, and Bontrager Kovee Pro 30 carbon wheels with 108-tooth Rapid Drive rear hub for instant engagement.
The final word
Supercaliber 9.8 is an efficient and capable cross country race bike trimmed with an upgraded, high-performance parts spec including an ultra-precise wireless electronic drivetrain. It's everything you love about a hardtail plus the added capability of IsoStrut, our exclusive integrated shock.
- Supercaliber is a World Cup-worthy bike that's quick, capable of soaring through techy terrain, and nearly as light as a hardtail
- Our exclusive IsoStrut shock provides tunable, damped suspension for a smooth and efficient ride
- Pivotless seat stays save on weight and actively bend to help soak up trail chatter
- The SRAM GX Eagle AXS drivetrain is smart, smooth, and completely wireless
- Wider Kovee Pro 30 wheels provide better tire support so you can run lower pressure and get more traction
All measurements provided in cm unless otherwise noted.
|Frame size number||15.5||17.5||18.5||19.5||21.5|
|Frame size letter||Small||Medium||Medium/
|A- Seat tube||39.4||41.9||44.5||47||50.8|
|B- Seat tube angle||70.0°||70.5°||70.5°||71.0°||71.0°|
|Effective seat tube angle||74.0°||74.0°||74.0°||74.0°||74.0°|
|C- Head tube length||9||9||9||9||10.5|
|D- Head angle||69.0°||69.0°||69.0°||69.0°||69.0°|
|E- Effective top tube||56.5||59.5||61||62.5||65.9|
|F- Bottom bracket height||32||32||32||32||32|
|G- Bottom bracket drop||5.3||5.3||5.3||5.3||5.3|
|H- Chainstay length||43||43||43||43||43|
|M- Frame reach||39.5||42.5||44||45.5||48.5|
|N- Frame stack||59.4||59.4||59.4||59.4||60.8|
Sizing & Tech
The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local retailer.
|Rider Height||153.0 - 166.5cm||161.0 - 172.0cm||165.5 - 179.0cm||177.0 - 188.0cm||186.0 - 196.0cm||195.0 - 203.0cm|
|5'0.2" - 5'5.6"||5'3.4" - 5'7.7"||5'5.2" - 5'10.5"||5'9.7" - 6'2.0"||6'1.2" - 6'5.2"||6'4.8" - 6'7.9"|
|Inseam||72.0 - 79.0cm||76.0 - 81.0cm||77.0 - 84.0cm||83.0 - 88.0cm||87.0 - 92.0cm||92.0 - 95.0cm|
|28.3" - 31.1"||29.9" - 31.9"||30.3" - 33.1"||32.7" - 34.6"||34.3" - 36.2"||36.2" - 37.4"|
Due to supply-chain issues, Specs are subject to change without notice.
|Frame||OCLV Mountain Carbon main frame & stays, IsoStrut, tapered head tube, Knock Block, Control Freak internal routing, Boost148, 60mm travel|
|Fork||RockShox SID SL, DebonAir spring, Rush RL damper, 44mm offset, Boost110, 15mm Maxle Stealth, 100mm travel|
|Rear Shock||Trek IsoStrut, Fox Performance shock, air spring, DPS 2-position remote damper, 235mm x 32.5mm|
Front: Bontrager Kovee Pro 30 Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
Rear: Bontrager Kovee Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, XD Driver, 6-bolt, Boost148, 12mm thru axle
|Rims||Bontrager Kovee Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle|
|Tires||Bontrager XR2 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.20''|
|Bottom Bracket||SRAM DUB, 92mm, PressFit|
Size: S SRAM GX Eagle Carbon, DUB, 32T alloy ring, 52mm chainline, 170mm length
Size: M, M/L, L, XL SRAM GX Eagle Carbon, DUB, 32T alloy ring, 52mm chainline, 175mm length
|Shifters||SRAM GX Eagle AXS, 12 speed|
|Rear Derailleur||SRAM GX Eagle AXS|
|Cassette/Freewheel||SRAM Eagle XG-1275, 10-52, 12 speed|
|Chain||SRAM GX Eagle, 12 speed|
|Brakes||SRAM Level TLM hydraulic disc|
Size: S, M, M/L, L, XL SRAM CenterLine, 6-bolt, round-edge, 160mm
Size: S, M, M/L, L, XL SRAM CenterLine, 6-bolt, round edge, 180mm
Size: S, M Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 0mm handlebar rise, 750mm width, -13 degree stem rise, 70mm length
Size: M/L, L Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 0mm handlebar rise, 750mm width, -13 degree stem rise, 80mm length
Size: XL Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 0mm handlebar rise, 750mm width, -13 degree stem rise, 90mm length
|Headset||Knock Block Integrated, 62-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom|
Size: S Bontrager Pro, OCLV Carbon, 31.6mm, 0mm offset, 330mm length
Size: M, M/L, L, XL Bontrager Pro, OCLV Carbon, 31.6mm, 0mm offset, 400mm length
|Saddle||Bontrager P3 Verse Elite, stainless steel rails, 145mm width|
* Subject to change without notice.
|Matte Raw Carbon/Gloss Trek Black / Medium||601842653333||5261195||SUP48756833K|
|Matte Raw Carbon/Gloss Trek Black / Medium/Large||601842653326||5261196||SUP49306431K|
|Matte Raw Carbon/Gloss Trek Black / Large||601842653319||5261197||SUP48304769K|