New features of Pro4 hubs:

Sealed stainless steel barrel bearings

Number of ratchet teeth 44T

CNC cutting forging 2014 T6 aluminum billet shell and shaft core

Number of holes: 32 holes

Aluminum base

Maintain the free conversion specifications through the shaft cap (135 and 142 can be converted, 150 and 157 can be converted, 148 is an independent specification, cannot be converted)

The flange diameter is enlarged, and the pulling force of the car bar is better

SH tower base is compatible with ordinary 8 9 10 11-speed flywheel and highway 11-speed flywheel; XD tower base is optional

Color options: silver, red, blue, purple, orange, black (lo

Weight: Front: 9mm–184g, 15mm–181g, 20mm–173g; Rear = QR–311G, 142mm–300g, XD

Rim: US SUN DUROC35 cuff rim, outer width is 35mm, inner width is 31MM, height is 17MM

Weight: 27.5 515g 29 540g Tire suitable for 2.3-2.8 width

It is suitable for cross-country crossing on forest roads. The wide rim has good lateral support, and the wide tires make turning more stable. The default rim is a French mouth.

Spokes; Swiss DT 2.0MM high-strength direct-pull spokes, self-locking aluminum alloy red spoke cap (optional red and black, order remarks, no remarks are sent randomly)

If there are any quality problems or after-sales problems, please contact the seller at the first time, we will actively deal with them. If you submit a dispute or malicious bad reviewer, we will all be blacklisted, and no longer after-sales service