ULTEGRA - Carbon Laminate - Tubeless - Disc Brake - 12 mm Thru Axle - CENTER LOCK - Rear Wheel
From road to gravel, the ULTEGRA RS770 supports wider tires for mixed surface and rough tarmac riding. The tubeless carbon laminate rims are complimented by CENTER LOCK disc brake hubs, providing confident braking in all conditions.
- Efficient acceleration
- High drive rigidity
- OPTBAL
- Lightweight and durable
- Carbon laminate rim
- Road tubeless
- Stability
- Higher rigidity
- Road E-THRU axle
- Easy maintenance and installation
- Simple handling and workability
- CENTER LOCK mount
TECHNOLOGIES
PRODUCT SPECIFICATIONS
| MODEL NO | WH-RS770-TL-R12 |
|---|---|
| SERIES | GRX DI2 |
| Color | Black |
| Average weight | 904 g |
| Remarks | * The adapter is needed to use 10-speed cassette sprocket |
|---|---|
| OPTBAL | ✔ |
| Axle_Fixing method | 12 mm E-THRU |
| Axle_Thru Axle Length x Inner Diameter (mm)_142x12 | ✔ |
| Bearing_Cone | CBN finish |
| Bearing_Cup | CBN finish |
| Brake Type | CENTER LOCK disc brake |
| Compatible Spoke protector | CP-W1460 |
| Disc mount_140mm Disc rotor compatible | ✔ |
| Disc mount_Center lock | ✔ |
| Front / Rear | Rear |
| Internal grease sleeve | ✔ |
| O.L.D. (mm) | 142 |
| Rear speeds | 10*/11 |
| Reflector_AS | CATEYE RR-550-WUA SW |
| Reflector_DIN | CATEYE RR-317-WUA SW |
| Reflector_JIS/CPSC | CATEYE RR-550-WUW SW |
| Rim_Height (mm) | 28 |
| Rim_Rim joint | Welded |
| Rim_Width (mm) | 23 |
| Seal_Freehub body | Contact |
| Seal_Hub | Contact |
| Spokes_Bladed | ✔ |
| Spokes_Butted | ✔ |
| Spokes_Number | 24 |
| Tire_Recommended size | 25-622 - 38-622 |
| Tire_Type | Tubeless |
| Wheel Size | 622 x 17C |
SERIES LINE-UP
-
Bottom Bracket SHIMANO ULTEGRA Press Fit Bottom Bracket 86.5 mm shell width
-
Brake SHIMANO GRX Hydraulic Disc Brake Caliper
-
Cassette Sprocket SHIMANO DEORE XT 11-Speed MTB Cassette Sprocket
-
Rear Derailleur SHIMANO GRX DI2 Rear Derailleur 11-speed (34T max low sprocket)
