Proterra Tough i30 wheels keep the trail in check while everything else blurs by in the periphery.

Reinforced by our proven Dual I-Beam support, Proterra Tough rims feature a 30mm internal width to provide higher tyre volume while also increasing sidewall support at lower pressures. High-quality EZO sealed bearings are designed to endure through seasons of aggressive riding while a responsive 6-pawl freehub provides the snappy 3.7 degrees of engagement you demand when cranking out of corners. Choose Proterra Tough when you need a wheel that won’t let you down.

Technologies

TCS 2.0 - Sealant-based tubeless system that improves upon the foundation of WTB's legendary TCS (Tubeless Compatible System). The integral component of TCS 2.0 is the Solid Strip, which makes tubeless more robust and dependable than ever before.

ISO/ETRTO Compliant - Internationally standardised tyre bead and rim sizing. This ensures that tim and tyre compatibility are as consistent and user-friendly as possible for both WTB's products and those of their competitors.

On Ramp - WTB's On-Ramp bead construction provides a cosistent fit between rim and tyre for easy installation and inflation. On-Ramp also allows riders to easily pop the tyre bead to the centre of the rim valley before the tyre removal.

4D - Spoke holes are drilled at an angle that matches the natural spoke path from rim to hub. Doing so eliminates binding and lateral loading of the nipples, which increases stability and extends the lifespan of the wheel.

Sleeved - Rim ends are joined together using an extruded aluminium insert that matches the inner cavity of the rim. Both ends of the rim are hydraulically pressed over the tight tolerances of the insert and then further reinforced by industrial epoxy.

Solid Strip - Durable strip that sits against the rim and prevents tubeless tape from sagging at the spoke holes, which makes it easier to inflate a tyre and protects from puncture in the case of a broken spoke. Tubeless tape is then installed over the Solid Strip.

Features

30mm inner rim width with 32 spokes laced in a 3-cross pattern.
6069 aluminum alloy rim. TCS 2.0 tubeless-ready.
Sapim Secure Lock 14-gauge brass nipples provide bomber durability while double butted 2.0/1.8/2.0mm J-bend spokes make replacement a breeze.
Tubeless tape, Solid Strip and black alloy valves are preinstalled,  making the wheels ready for tubeless tyres the moment they arrive on your doorstep. The TCS 2.0 Solid Strip is a durable strip that lies beneath the tape, prevents it from sagging at the spoke holes, makes it easier to mount a tyre and protects from puncture in the case of a broken spoke.
6-bolt rotor mounts.
Top-tier EZO sealed bearings.
Rear wheels are available with Shimano Microspline or SRAM XDR driver bodies. 

Specifications

Wheel Diameter Position Spacing Spoke Holes Driver Body Rotor Mount Inner Rim Width Rim ERD Weight Max Rider Weight
27.5" Front 15x110mm 32-hole N/A 6-bolt 30mm 570 930g 290lbs
27.5" Rear 12x148mm 32-hole SRAM XDR 6-bolt 30mm 570 1076g 290lbs
27.5" Rear 12x148mm 32-hole Shimano Microspline 6-bolt 30mm 570 1076g 290lbs

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