Sentinel Carbon GX
A 29″ carbon frame full suspension enduro bike with high-end components.
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MSRP | $5,899 |
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Weight | 31.3 lbs |
Frame | Carbon |
Suspension | Full, 150 / 160mm |
Fork | RockShox Lyrik Ultimate |
Shock | RockShox Super Deluxe Ultimate |
Wheels | 29″ Aluminum |
Drivetrain | 1 × 12 |
Groupset | GX Eagle, Truvativ Stylo |
Brakes | Hydraulic Disc |
Seatpost | Dropper |
For This Bike
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Sentinel model range
View Comparison5'0" – 5'7"
5'4" – 6'0"
5'8" – 6'3"
6'0" – 6'7"
6'2" – 6'10"
🐐 Estimated
None yet.
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Sep 2021 · Beta
When you've already seen every episode of The Dog and Pony Show
Sep 2021 · Seb Stott
Aluminum is back on the menu for Transition's popular Scout and Sentinel models.
Jan 2021 · Christoph Bayer
Our expectations of the Transition Sentinel Carbon were very high for this group test,not least because the guys and gals behind the brand are really good riders themselves. Its specs look extremely promising, but can the bike deliver on the trail?
Rewards an active riding style
Lots of reserves for big impacts
Excellent climbing characteristics
Punishes a passive riding style
Not enough traction in rough terrain
Very stiff bike overall
Jan 2021
Since it was launched, the Transition Sentinel has been a bellwether for progressive trail bike geometry. The 2021 Sentinel is no exception, but in this case the trend indicates that trail bike geometry is stabilizing. I know this, because I went from the last generation Sentinel to this one, and even though I sized up from a Large to an XL, they're both clearly cut from the same cloth, and I have to say I'm a fan of the tailor.
Nov 2020
Can this revamped long-travel 29er out-perform the original? - Mtbr.com
Apr 2020
There’s more than meets the eye with the latest and greatest version of Transition Bikes’ Sentinel. The crisp edges and gentile curves are surely drool-worthy, but if a bike doesn’t ride at least twice as good as it looks, what’s the point? Thankfully, the sorcerers at Transition put the utmost importance on how a bike rides, the reason they’ve gone above and beyond to develop their SBG geometry, adapting their numbers to match the needs of modern-day trail bikes. As for the new Sentinel, the biggest update is an extra 10mm of travel. While this might not seem like much, it brings the bike into a new category of sendability. The steadfast feeling that the company’s bikes are so well known for, simply because it’s perfectly suited to the Northwest, hasn’t wavered, yet they’ve also managed to ramp up the responsiveness and playfulness.
Apr 2020
What do you do to update a bike that was already ahead of its time, like the Transition Sentinel? Not much. And as it turns out, that was just enough.
Jul 2019 · Mick Kirkman
The full carbon Transition Sentinel frame looks super slick, and ticks just about every box in the ‘modern geometry’ checklist.
One of a handful of 140mm travel 29ers that are truly Alpine ready
Less urgent and spritely pedalling than plenty similar travel rigs
Frame | Sentinel Carbon 150mm Colors: Ti Grey; Loam Gold |
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Fork | RockShox Lyrik Ultimate, 160mm Travel/42mm Offset Travel: 160mm Spring Type: Air |
Shock | RockShox Super Deluxe Ultimate Travel: 150mm Spring Type: Air |
Headset | FSA No.57E |
Stem | ANVL Swage (40mm) |
Handlebar | ANVL Mandrel Alloy 35, SM/MD (800x20), LG/XL (800x30), XXL (800x 40) |
Saddle | ANVL Forge Cromo |
Seatpost | OneUp Dropper Post, SM (150mm), MD (180mm), LG/XL/XXL (210mm) Type: Dropper |
Grips | Sensus Lite |
Rear Derailleur | SRAM GX Eagle |
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Crank | SRAM Stylo 7K DUB (30t/170mm) |
Shifters | SRAM GX Eagle |
Cassette | SRAM XG 1275 (10-52t) |
Chain | SRAM GX Eagle |
Brakes | SRAM Code RSC Type: Hydraulic Disc |
Rims | Stans Flow S1 |
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Spokes | Sapim Race Double Butted |
Front Hub | Stans Neo Durasync |
Rear Hub | Stans Neo Durasync |
Tires | Front: Maxxis Assegai 3C EXO+ (29x2.5), Rear: Maxxis Minion DHRII 3C EXO+ (29x2.4) |
Disc Rotors | SRAM Centerline (200mm) |
Last updated June 2
Not listed for 1,025 days