2022 Trek Roscoe 140mm hardtail gets 29″ wheels and longer, lower, slacker geometry

Tips & Reviews

The extremely popular Trek Roscoe hardtail mountain bike has received an overhaul for 2022. Upgrading from 27.5″+ to a 29er and rocking a 140mm travel fork, the Roscoe now sports a rather more modern trail geometry… longer, lower, slacker, you get the point, right? There are now 6 sizes available from an XS (which keeps the 27.5″+ wheels) and 29ers running from S-XL, with prices starting from a very affordable $1,699.99. We have everything you need to know about the 2022 Trek Roscoe right here.

2022 Trek Roscoe

kade edwards 2022 trek roscoe 8
Kade Edwards’ Trek Roscoe 8; this build retails at $2,299.99 USD

The 2022 Trek Roscoe is an aluminium hardtail mountain bike, now with a modern trail bike geometry. Its most recent evolution swaps out 27.5″+ wheels for faster rolling 29″ wheels, built around an all-new frame with a more progressive geometry that should improve its descending qualities immeasurably. Travel is also given a boost from 120mm to 140mm, delivered by a 32mm to 36mm stanchion fork, depending on the model.

kade edwards riding steep turns 2022 trek roscoe wales

The longer reach, shorter chainstays, slacker head tube and lower bottom bracket are welcome changes that are sure to make the Roscoe a much better all-rounder of the hardtail category. Across the XS-XL frame sizes reach has increased ~20mm and the head angle has slackened significantly to 65°.

kade edwards riding 2022 trek roscoe 8

Reach on the ML has actually increased massively from 410mm to 455mm. All frame sizes have a straight top tube, with the longer reach allowing for a more gradual angle from the head tube down to the seat tube join. This has actually improved standover as compared to the previous Roscoe. Seat tubes are also slightly shorter, with increased seat post insertion length so that riders can take advantage of a long travel dropper post.

2022 trek roscoe jumping

The effective seat tube angle of 74.7° is a major change too, now far more upright than the 70.7° SA of the 2021 iteration. Chainstays are shortened from 438mm to 430mm, though the boost spacing rear end still permits a healthy tire clearance of 29″ x 2.6″.

2022 trek roscoe tire clearance 29 x 2.6"

For the 2022 Roscoe, Trek have moved away from a proportional frame design with a consistent SA and rear-centre length across the frame sizes.

Wheel Size 27.5″+ 29″ 29″ 29″ 29″ 29″
Seat tube length 340 360 420 435 450 500
Stem length 40 40 50 50 50 50
Reach 390.0 415.0 440.0 455.0 470.0 495.0
Stack 591.5 625.6 634.6 639.2 643.7 666.4
Effective Top Tube 551.8 586.1 613.6 629.9 646.1 677.3
Chainstay length 430 430 430 430 430 430
Head tube angle (°) 65.0 65.0 65.0 65.0 65.0 65.0
Head tube length 90 90 100 105 110 135
Effective seat tube angle (°) 74.7 74.7 74.7 74.7 74.7 74.7
Actual seat tube angle (°) 73.1 73.1 73.1 73.1 73.1 73.1
BB drop 45.0 61.0 61.0 61.0 61.0 61.0
BB height 318.5 321.5 321.5 321.5 321.5 321.5
Standover 728.8 741.0 748.0 742.0 755.0 765.0
Wheelbase 1119.9 1151.4 1180.6 1197.7 1214.8 1250.4
Front center 694 728 757 775 792 827
Fork axle-to-crown 532 552 552 552 552 552
Fork offset 42 42 42 42 42 42
Trail 122.1 130.9 130.9 130.9 130.9 130.9
Fork travel 140 140 140 140 140 140
Dropper Post Insertion 235 240 255 260 280 328

Frame Details

2022 trek roscoe 140mm hardtail mountain bike 29er trail geometry
The 2022 Trek Roscoe frame has two water bottle mounting positions; one on the seat tube and one on the top of the downtube

As mountain bikes go, hardtails are definitely the easiest to live with, with few moving parts that require constant tender loving care. Trek have made a few important changes to the 2022 Trek Roscoe to make this hardtail even easier to maintain. 

2022 trek roscoe drops the knock block headset

First up, Knock Block is no more. The previous Roscoe required Trek’s proprietary Knock Block headset that prevented the fork crown coming into contact with the side of the downtube; an important feature for preventing these parts from smashing into one another during a crash. From my own experience on a Trek Slash, I can tell you that the blocking functionality of the headset was easily sheared off during a crash. Fortunately, the 2022 Roscoe doesn’t need it, as the fork crown clears the downtube on full rotation of the bars.

Next, the Roscoe gets a SRAM UDH hanger, meaning you’ll be able to replace a bent hanger very easily, picking it up from almost any bike shop, not just those that are Trek dealers.

2022 trek roscoe downtube protection

Trek have added an internal cable fastener on the downtube. Cables aren’t fully guided internally, so may have had a tendency to rattle about within the aluminium frame, causing unwanted noise. The cable fastener secures the cables to the inside of the downtube, about half way along it, in an attempt to keep noise to a minimum.

2022 trek roscoe 9 top chain guide iscg 05 tabs

The Roscoe still runs a 73mm threaded bottom bracket that can take a 30mm spindle. The downtube gets dual-density rubber protection to save the frame from rock strikes, while the chainstay gets a double-sided guard to protect against chain slap. Trek have added an ISCG 05 tab for the mounting of a chain guide and bash guard; the top end Roscoe 9 comes with a top guide.

Pricing & Availability

Though you’ll see four models of the 2022 Trek Roscoe for sale, only the Roscoe 7, Roscoe 8 and Roscoe 9 models get this latest geometry and travel update discussed here. The budget option Roscoe 6, retailing at $1,149.99 USD, is a carry over frame from 2021, so still has the ~67.3° head tube angle, 27.5″+ wheels and 120mm travel fork. It runs an SR Suntour XCM 32mm stanchion coil fork, Alex MD35 Rims, a Shimano Deore 10 speed drivetrain, Shimano MT200 2-piston brakes and an aluminium Bontrager finishing kit.

2022 trek roscoe 7

The Roscoe 7 retails at $1,699.99 USD. It gets a RockShox Recon Silver RL 140mm fork, Bontrager Line 30 aluminium wheels, a Shimano Deore 12 speed drivetrain and Shimano MT200 2-piston brakes.

2022 trek roscoe 8

The Roscoe 8 retails at $2,299.99 USD. It features a RockShox 35 Gold RL 140mm travel fork, Bontrager Line 30 wheels, a 12 speed SRAM NX Eagle drivetrain (11-50 cassette), and Shimano’s entry level 4-piston brakes.

2022 trek roscoe 9

The top end 2022 Trek Roscoe 9 will set you back $2,699.99 USD. That hard earned cash gets you a FOX 36 Rhythm 140mm travel fork (yes, it’s a 36, that’s not a typo), Bontrager Line 30 wheelset, a Shimano SLX 12 speed drivetrain (10-51 cassette) and Shimano M6100 4-piston brakes.


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