Liv Avail Advanced 2 Brakes: Identify the Hydraulic Parts and Rotors
Liv Avail Advanced 2 brakes are described as Shimano 105 hydraulic discs with SM-RT64 rotors measuring 160 mm at both ends on the US 2026 model. This is a component-identification answer. It does not establish a stopping-distance result, diagnose a brake complaint or approve a different rotor on an existing bicycle.
Liv Avail Advanced 2 brakes: retain the complete entry
The source’s brake line combines three kinds of detail: the Shimano 105 family, hydraulic operation and the rotor identifier. The front and rear diameter labels are both 160 mm. Copying only “105 brakes” into a service request would omit the actuation and rotor information that the manufacturer actually supplies.
The brake-lever field also says Shimano 105. It does not provide a complete lever or caliper part number, a bleed instruction, a fluid specification or tightening values. Those missing details should come from the applicable parts and service documentation, not from a different bicycle with the same groupset name.
If the bicycle has a problem, describe the symptom and identify the actual fitted controls and brake hardware. A component table is useful background for a workshop, but it is not an inspection of worn pads, damaged parts or the system’s current operation.

The wheel-retention dimensions are different numbers
Liv lists a 12x142 mm thru-axle disc frame and a 12x100 mm thru-axle disc fork. Those front and rear entries belong to the wheel-retention interfaces. They are separate from the 160 mm rotor diameter and do not supply a spare axle’s complete length or thread specification.
The historical photograph helps expose the importance of identity: it shows a rim brake on a CCC-Liv race bicycle in 2019. That real older brake is not the hydraulic disc arrangement listed for the current Advanced 2. The picture should not be used as a guide to the parts on this model.
The listing identifies Liv Avail Advanced 2 Bike — Moonstone / Gray. Use the actual bicycle and its markings when requesting service or identifying a replacement. The Liv introduction puts the road family in context, while the Liv topic connects its model-specific references. No rotor upgrade or installation procedure is authorized by this guide.
FAQ
Are different front and rear rotor diameters listed?
No. This US specification gives 160 mm for both positions.
Does 12x142 describe rotor diameter?
No. It belongs to the frame’s rear thru-axle entry.
Can the old photograph identify the current brake parts?
No. Its rim-brake bicycle supplies historical brand context, not the current disc-build specification.
Manufacturer reference: US 2026 Avail Advanced 2 specification and geometry (https://www.liv-cycling.com/us/avail-advanced-2), read 6 November 2026.
Photograph credits and permissions
Photograph 1
Original title: 2019 BLT Stramproy bike Demey.jpg
Creator: Hoebele; creator URI: https://commons.wikimedia.org/wiki/User:Hoebele
Copyright notice: Hoebele. No separate copyright notice was supplied on the file page or in the inspected EXIF.
Original source URI: https://commons.wikimedia.org/wiki/File:2019_BLT_Stramproy_bike_Demey.jpg
License / permission: CC BY-SA 4.0
License / permission URI: https://creativecommons.org/licenses/by-sa/4.0/
Modification notice: Original 2736 × 1824 JPEG retained byte-for-byte. No local cropping, resizing, recompression, retouching or metadata removal. Supplied EXIF retained; no earlier editing notice was supplied.
Source disclaimer: Historical CCC-Liv race-bicycle detail photographed at the 2019 Boels Ladies Tour, identified by its source as Valerie Demey’s bicycle. Related Liv road-bicycle context only, not the current Avail Advanced 2, its dimensions, parts, condition or performance. Photo shared without warranties under CC BY-SA 4.0; no creator, rider or team endorsement is implied.