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"Looks amazing"
"Once installed, the combo looks amazing – It is clean and svelte without looking too far from the future."
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"I dig it"
"There is one thing about the RSL bar/stem that does stand out to me: It’s beautiful"
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"The demand for space-age cockpits is here"
"A muted, comfortable ride was on the platter and steering felt fast, precise and familiar."
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"The overall look and feel of the RSL MTB is all pro"
"When you’re riding and see a single piece of integrated carbon — it looks fast"
Read moreAll your favorites, all in one place
Get all your favorite apparel from over 80 of the world's best cycling brands delivered right to your doorstep or local Trek retailer when you shop our curated online collection. If you're not 100% satisfied, you can return your purchase within 30 days for a full refund.
Shop all gearProduct features
Options for all disciplines
RSL MTB is available in a wide range of widths and stem rises to suit cross-country, trail, and enduro riders.
All headset types welcome
The included adapter allows riders to mount RSL MTB to both standard headsets and Knock Block headsets.
OCLV Carbon construction
Trek's patented carbon fiber process delivers a handlebar/stem that's light, compliant, and strong.
Blendr integration
Seamlessly integrate select Bontrager lights and computers with the Blendr system. Bases and mounts are sold separately.
Guided setup
Setup and customization are a breeze with printed brake and shifter position lines plus trim marks on each side.
30-Day Unconditional Guarantee
If for any reason you're not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.
Learn more| Size | 750mm x 70mm | 750mm x 80mm | 750mm x 90mm | 820mm x 35mm | 820mm x 45mm |
|---|---|---|---|---|---|
| Width | 750mm | 750mm | 750mm | 820mm | 820mm |
| Stem length | 70mm | 80mm | 90mm | 35mm | 45mm |
| Stem rise | -13 deg. | -13 deg. | -13 deg. | 0 deg. | 0 deg. |
| Rise | 0mm | 0mm | 0mm | 27.5mm | 27.5mm |
| Backsweep | 8 deg. | 8 deg. | 8 deg. | 7 deg. | 7 deg. |
| Upsweep | 5 deg. | 5 deg. | 5 deg. | 6 deg. | 6 deg. |
| Cable routing | Internal | Internal | Internal | Internal | Internal |
| Material | Carbon | Carbon | Carbon | Carbon | Carbon |
| Weight | 214g | 221g | 228g | 230g | 250g |