Reynolds TR 307 27.5 Wheelset

$1,449⁹⁹

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Color

Black

Compatibility

Shimano XD Driver

The Reynolds TR 307 27.5 Wheelset typically ships in 5-8 business days

Reynolds | SKU: 78801 | Option: Black, Shimano

This product is HSA / FSA eligible

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Reynolds TR 307 27.5 Wheelset Info

The Reynolds TR 307 27.5 Wheelset is a carbon mountain bike wheelset built around 27.5-inch wheels, aimed at riders who want the quicker, more agile handling that comes with the smaller wheel size on tight, technical trails. Reynolds builds every wheel in its own facility under a philosophy the brand calls "Designed Differently, Built Better," treating stiffness, compliance, handling, and tire compatibility as parts of one system rather than chasing a single number like weight. The TR 307 pairs that rim construction with Reynolds' own TR3 hub, giving riders a complete carbon wheelset built specifically for trail-oriented mountain biking rather than adapted from a road or gravel platform.

The carbon rim uses an asymmetric design, offsetting the spoke bed to even out spoke tension between the drive and non-drive sides. That balance adds stiffness and helps the wheel hold up to the repeated impacts of rocky, root-strewn trails, and the rim is built from a layup of five different types of carbon rather than a single fiber grade throughout, a construction approach aimed at getting the stiffness-to-weight balance right rather than maximizing one metric alone. At 1,680 grams for the pair, the TR 307 stays light enough to feel quick through switchbacks and out of tight corners without giving up the durability a 27.5-inch trail wheel needs to survive real riding. A 30mm internal rim width, 36mm external, gives the rim a wide, supportive base for modern trail tire volumes, and a tubeless-ready hooked bead makes setup straightforward while helping guard against pinch flats on square-edge hits.

Reynolds' own TR3 hub drives the wheel, a 100% CNC-machined design with 10-degree engagement through a 3-pawl freehub. That translates into quicker pickup when you get back on the power coming out of a corner or through a technical section, along with a smooth, low-rolling-resistance feel on flatter connector trails between the technical stuff. The hub is available with a Shimano 9-11 speed freehub body or a SRAM XD driver, so the wheelset slots into most modern 1x and 2x mountain drivetrains. A 28-spoke build front and rear, a center-lock disc brake interface, and 15x100mm front / 12x142mm rear thru-axle spacing round out a build made for the axle standards most trail and enduro-oriented mountain bikes run today.

Reynolds has built its reputation in mountain wheels on more than weight and stiffness figures. The brand designs its off-road wheels around vertical compliance as well, aiming for handling and control on rough terrain rather than a stiff, harsh ride that transmits every hit straight to the rider. Reynolds also manufactures every wheel in-house under direct quality control and backs its carbon rims with a lifetime guarantee to the original owner, a level of support worth knowing about on a wheelset built to take a beating over years of trail riding.

The Reynolds TR 307 27.5 Wheelset suits riders who've chosen 27.5-inch wheels specifically for their agility on tight, technical singletrack, and who want a carbon upgrade built to survive the terrain that riding style demands. It's a meaningful step up from an alloy trail wheelset without moving into flagship pricing, and it comes in black with a choice of Shimano or SRAM XD freehub bodies to match your drivetrain.

The RA Perspective

The TR 307 is a solid choice for riders who are specifically loyal to 27.5-inch wheels — a group that's shrunk as 29ers have taken over most of the trail and XC categories, but hasn't disappeared, especially among riders who value quick, flickable handling on tight singletrack. This wheelset gives that rider a real carbon upgrade rather than forcing a compromise.

On the trail, the asymmetric rim design and 30mm internal width give tires a stable, supported feel through corners, and the TR3 hub's 10-degree engagement means power gets to the ground quickly coming out of switchbacks. It's not the fastest-engaging hub on the market, but it's smooth and dependable, and the 3-pawl design has proven durable over time in our experience with Reynolds hubs generally.

One thing to know: at 1,680 grams for the pair, this isn't a featherweight XC race wheel — it's built with trail durability in mind, which is the right tradeoff for the kind of rough, technical riding a 27.5-inch wheel choice usually signals. Riders coming from an alloy wheelset will notice the difference in how the wheel damps trail chatter more than in outright weight savings.

We'd point this wheelset toward a rider running an older or aggressive 27.5-inch trail bike who wants a genuine carbon upgrade without paying flagship prices, and who plans to keep riding technical, root-and-rock-filled trails where that wheel size still makes sense.