SHIMANO GRX TUBELESS WHEEL-WH-RX870-TL-700CThe new GRX wheel supports gravel rides that are faster, further, and more fun. Wider tires need wider rims to maintain lateral tire stability at low air pressures. Shimano studied the complicated relationship between tire size, rim width, air pressure, and tire lateral rigidity to optimize the GRX rim width for 32 50c tires. In addition, we pursued the best balance of rim weight, strength, and profile in order to deliver an exceptional gravel wheel.

The rim is engineered with a NACA-inspired

8mm (148mm Boost)

Suggested Users    ‎unisex

Load (kg): 70 kg

Optimized gear combinations and ratios for trail riding

multiple shifts (main lever/rear): 2

Tackle trails with this versatile 1x11-speed rear derailleur's seamless shifting and pedaling

Weight: 145g

Compatible chain HG+ 12-speed

MODEL NO                      : SM-BB93

Model No: CS-R7101-12

the Shimano XTR M9070 DI2 derailleur offers a stable and precise 2x11 speed chain change