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Wheels Cyclocross / Gravel Wheels

Roval Terra CLX EVO Wheelset

Building off the success of the Terra CLX, the Terra CLX EVO is built with a shallower, wider rim. There are many things to be said about the Roval Terra CLX disc brake wheels. Suffice to say that if you are looking for an exceptional quality, all-road, carbon 2Bliss Ready/clincher option with a 25mm internal rim width that come in as a set at 1296 grams taped and valved, you have found them. Select your freehub type on this rear wheel, add to cart, do the same for the front, and order them up. But seeing how Roval applied serious engineering and testing to build these incredible wheels that are as at home on gravel and the cyclocross course as it is on the road, read on for the full details.

The Terra CLX EVO rim and wheel design was heavily tested through a series of prototypes in the lab, and then out on the varied terrain it was being developed to dominate This iterative process created the CLX EVO disc-specific rim, a 25.3m tall handmade construction that can carry clincher or tubeless 32-53mm tires, with a wide pressure range. The Advanced Carbon Composite rim carries a hooked-bead to support the clincher and up to 75psi in 32mm tires. One can debate the hookless vs hooked issue, but history has proven the hooked-bead works and offers more overall versatility. The 30mm internal width gives great tire capability throughout the range. What you ride is up to you, and the wheels can manage any gravel terrain with a stable footprint.

Roval designs and manufactures their own hubs for a few reasons. First is that Roval builds wheel systems, not wheels. Each component part (rim, spokes, nipples, hub) has been carefully chosen and optimized to work together. In other words, you can't buy a Roval rim then lace it to whatever hub you want. From and engineering perspective, spoke angles, tension, how the the nipple interacts with the rim, etc., have been developed to produce the exact performance, weight, and overall ride characteristics that each wheel is intended for. Hence, you see the both the 12/100mm AFD1 front and 12/142mm thru-axle AFD2 rear Roval hubs, with sculpted aluminum bodies and aero flanges that are a specific height and angle to both shorten spoke length, and create the proper path to the rim. The rim has spoke hole drilling that reduces risk of damage at high tension, and factors in the head shape of the nipple and how it interacts with the rim. This is pure engineering, with each component designed for specifications in load, strength, and functionality.

By designing and creating their own hubs within the system concept, Roval dictates the internal specifications, and they built the AFD2 rear Center Lock disc hub around standardized sealed cartridge bearings, an oversized alloy axle and end caps. The Terra CLX also features the refined precision of the new DT Swiss EXP freehub. The EXP freehub boasts a single-actuated star-ratchet; this decreases drag and weight while simultaneously increasing axle strength by moving bearings outboard. Roval's rationale has to be that there is no reason create a system of their own, with DT's proven design, interchangeable freehub system, and readily available parts a superior option. The hub is simply designed to accommodate the DT system, just as it does the Center Lock disc rotor mount.

DT also provides the spokes for the Terra CLX EVO, with their butted, and lightly bladed DT Aerolite T-head design ideal for high tension and resilience, along with their alloy Pro Lock hexagonal nipples. Both front and rear wheels carry 24 spokes, in Roval's 2:1 lacing process: doubling the spoke count on one side. On the front wheel, the disc mount is the dominant side and is laced 2x, with the other side being laced radial. The drive-side of the rear is laced 2x, while the disc side is laced 1x. Both lacing patterns are atypical- which can be achieved thanks to the exemplary engineering, stoutness of the rim and hub flange, as well as the incredible tension load borne by the Aerolites. The nipples allow for external true and tension service, if needed, so there is no need to disturb a tubeless set-up to get the job done.

Roval delivers an incredibly strong and versatile rear wheel in the Terra CLX EVO, and covers it with their Lifetime Warranty and Crash Protection program. The build and finishes are exquisite, with the Satin Carbon rim simple carrying gloss black graphics. Rated for a rider weight 275lb max, the wheel comes prepped for tubeless use, or in Specialized-Roval terms, 2Bliss Ready. The sub 1360 gram wheelset weight is astounding enough, and that is the official weight with tubeless tape and valve installed. That is also a rarity, as most wheels are weighed bare, but Roval has long done things their own way, and with the Terra CLX EVO, you are the beneficiary.

Features

  • Superlight but durable all-road/gravel 25.3mm profile wheelset for disc brake equipped bikes; strong, agile, responsive
  • Handbuilt carbon disc brake-only tubeless ready wheels optimal for allroad and gravel use
  • Compatible with tires ranging from 32c to 53c (2.1") wide (30's can be run up to 80psi)
  • Terra CLX EVO Rim spec: Depth 25.3mm, IRW 30mm, hook-bead 2Bliss first & clincher rim design
  • Made with Advanced Carbon Composite for lightweight and structural strength
  • Designed with thorough prototyping and subjected to thousands of hours lab testing then field tested by riders on all terrain and in all conditions
  • Built with integrated systems approach to ensure reliability, performance and the lightest weight possible
  • Roval AFD1 FT & AFD2 RR Aero Flange Center Lock Disc brake straight pull hubs; aerodynamically optimized, with wide bracing angles for increased strength and reduced spoke weight
  • High quality DT Swiss EXP single-actuated star-ratchet freehub system decreases drag and weight while simultaneously increasing axle strength by moving bearings outboard
  • Spoke holes drilled at precisely the angle the nipple head will interface with the rim
  • Roval features a 2:1 lacing process: doubling the spoke count on one side (drive on the rear, disc mount on the front)
  • Front wheel: 24 DT Aerolite T-head spokes, laced radial non-disc side, 2x disc-side w/ DT Pro Lock alloy hexagonal nipples
  • Rear wheel: 24 DT Aerolite T-head spokes, laced 1x non-drive, 2x drive side w/ Pro Lock alloy hexagonal nipples
  • 12/142mm thru-axle rear hub features the DT Swiss EXP single-actuated star-ratchet freehub system, interchangeable body
  • Designed for a maximum rider weight of 275lbs (125kg)
  • Lifetime warranty, No Fault Crash Replacement (see details on Roval's website)
  • Includes: Roval padded wheelbags, Roval tubeless rim tape and valves (pre-installed)
  • Disc brake rotor mount: Center Lock
  • Sizes: 650b, 700c
  • Freehub options: Shim/SRAM 11s, SRAM XDR 12s
  • Finish: Satin Carbon/Black
  • Weight: 650b - 1303g, 700c -1357g (wheelset w/ tubeless tape, tubeless valves)