The new 
Tubeless ready - hassle free, burp free and easy mount design.
Rear version with 
| Product name: | Crankbrothers Synthesis 2.0 E-Bike CB - 27.5" Rear Wheel | 6-Bolt | 12x148mm Boost - SRAM XD - black | 
| Manufacturer: | Crankbrothers | 
| Item code: | CRB725593 | 
| Activity: | Cycling | 
| Material: | Aluminium | 
| Usage bikesport: | E-Bike, MTB | 
| Hubs: | CB Ratchet | 
| Spokes: | Pillar SSB 34 | 
| Rims: | 6069 Alloy | 
| Number of gears - rear: | 11, 12 | 
| Wheel size: | 27,5" / 650B (584mm) | 
| Axle standard: | 12x148mm Boost (RW) | 
| Wheel version: | Rear Wheel, Rear Wheel > 900g | 
| Freehub body: | XD (SRAM 11/12s MTB) | 
| Braking system: | 6-Hole Disc | 
| Tire type: | Wire Bead Tire, Folding Tire, Tubeless Ready | 
| Etrto: | 29.5-584 | 
| Inner profile width: | 29.5mm | 
| Freehub system: | CB Ratchet | 
| Model year: | 2025 | 
| Collection: | Full year | 
| Color: | Black | 
| Weight: | 1158g | 
| Manufacturer item code: | 17094 | 
| Number of spoke holes: | 32 | 
| Weight source: | Manufacturer | 
| Freewheel system: | Ratchet |