Independent third-party comparison · Desk research

CYCPLUS AS2 Pro vs AS2 Pro Max: Which Should You Choose?

A model-by-model comparison using only the dated specification evidence accepted in task 029. It contains no hands-on claim, no invented performance number and no sales link that substitutes a different product.

By Gareth Davies Updated Sources captured 19 July 2026 (UK/BST)
Short answer: CYCPLUS's official collection lists the AS2 Pro at 120 g and the AS2 Pro Max at 205 g. The cited third-party user-manual mirrors list 3.11 Wh and 6.66 Wh respectively. Choose the AS2 Pro when lower listed size and carry weight matter most. Consider the AS2 Pro Max when you accept more size and mass for greater listed battery energy and CYCPLUS's higher-volume positioning. Battery energy alone does not prove a tyre count, inflation speed or field reliability.
Specification and source capture date: 19 July 2026
Evidence status: this is an independent desk-research comparison. We did not receive samples, operate either pump or reproduce any manufacturer's performance claim. CYCPLUS's official index and collection confirm the model names, listed weights, 120 PSI ceiling and positioning. Dimensions, battery, charging, current and detailed valve/heat instructions below are transcribed from the two identified third-party user-manual mirrors; they have not been authenticated here against saved manufacturer-hosted PDFs and must retain that qualification. A source link is evidence, not an affiliate recommendation.

Verdict by rider priority

Choose AS2 Pro for lower listed carry weight

CYCPLUS's collection lists 120 g; the cited third-party manual mirror lists 70 × 49 × 28 mm. That makes it the evidence-led portability choice, subject to confirming the mirrored dimensions against the current manufacturer manual; it does not establish better real-world efficiency.

Choose AS2 Pro Max for greater listed battery energy

The cited third-party manual mirrors list 6.66 Wh versus 3.11 Wh. CYCPLUS positions the Max for higher-volume demand, but this page does not convert the mirrored battery values into a guaranteed tyre count.

Delay the decision if an unknown is critical

Task 029 does not establish a current UK price, comparable charging time, body IP rating, UK warranty or reliable tubeless-bead seating result for either model.

CYCPLUS AS2 Pro vs AS2 Pro Max comparison matrix

Model-specific published specifications recorded in task 029 — sources captured 19 July 2026
Decision field CYCPLUS AS2 Pro CYCPLUS AS2 Pro Max Evidence and interpretation
Exact model CYCPLUS AS2 Pro CYCPLUS AS2 Pro Max CYCPLUS's official manual index lists both as separate models. [P01]
Dimensions 70 × 49 × 28 mm 81 × 60 × 32 mm Transcribed from the two third-party user-manual mirrors; confirm against the current manufacturer-hosted PDFs before publication. [P03–P04]
Weight 120 g 205 g Official series page and model-specific user-manual specifications. [P02–P04]
Battery 420 mAh, 7.4 V, 3.11 Wh 600 mAh, 11.1 V, 6.66 Wh Third-party manual-mirror transcription, not a site measurement. Battery energy is not a direct tyre-count result. [P03–P04]
Maximum pump pressure 120 PSI 120 PSI Official series page and both cited user-manual mirrors. This is a device ceiling, not a recommended tyre pressure. [P02–P04]
Charging input Type-C, 5 V / 1.5 A Type-C, 5 V / 1.5 A Third-party manual-mirror electrical field; it does not establish measured wall energy or charging time. [P03–P04]
Working current 2.5–7.5 A 2.5–5.5 A Third-party manual-mirror field. It is not an efficiency score. [P03–P04]
Published valve setup Presta configuration; nozzle adjustment for Schrader, with hose recommended Presta configuration; nozzle adjustment for Schrader, with hose recommended Shared operating guidance in both cited manual mirrors; check the current manufacturer-hosted manuals before use. [P03–P04]
Hose requirement Use above 100 PSI; required for a resin TPU valve stem Use above 100 PSI; required for a resin TPU valve stem Shared heat and leakage guidance in both cited manual mirrors; the exact current manual and tube instructions control. [P03–P04]
Tyre-use positioning Task 029 does not establish a universal road, gravel or MTB capacity envelope CYCPLUS positions the Max for higher-volume demand, including MTB; positioning is not a measured guarantee Official collection positioning, kept separate from performance results. [P02]
Transparent arithmetic, not a performance claim: CYCPLUS's two listed weights differ by 85 g. The battery values transcribed from the cited manual mirrors differ by about 2.14 times (6.66 Wh ÷ 3.11 Wh). That ratio must not be rewritten as 2.14 times as many inflations: motor load, pressure, tyre volume, heat, temperature and cutoff behaviour all intervene.

What the evidence does not establish

Unknown or non-comparable fields — no unsupported number is substituted
Field AS2 Pro AS2 Pro Max Buying implication
Comparable inflation time Not established Not established No same-tyre, same-temperature, same-cooling model pair is available in task 029.
Comparable inflations per charge Not established Not established Do not turn battery capacity into a universal road or gravel tyre count.
Pressure accuracy across the range Not established Not established No calibration curve supports a blanket accuracy claim.
Comparable charging time Not established for this comparison Not established for this comparison Input ratings are not measured charge times; no model-paired protocol is used here.
Current delivered UK price Not established Not established The official USD page cannot be treated as a UK VAT-and-delivery price.
Body waterproof / IP rating No body rating established No body rating established A splash-resistant or waterproof storage bag does not prove that the pump body has an IP rating.
Tubeless bead seating Not established Not established Routine top-up and the initial high-flow bead-seating task are different.
UK warranty route Not established in task 029 Not established in task 029 Confirm the seller, return address and warranty provider before paying.
Why there are no headline speed or tyre-count numbers: task 029 found ambiguous model/count wording in one third-party article and no complete, comparable protocol covering both pumps. It also recorded a CYCPLUS AS2 Pro manufacturer claim without the full protocol needed for a fair model-to-model result. This page therefore omits those numbers instead of presenting them as fact or as our own work.

Heat, valves and practical limitations

Heat and the silicone sleeve

Both cited manual mirrors warn that the device becomes hot in use and instruct the user to operate it with the silicone sleeve. Confirm the instruction in the current manufacturer-hosted manual; this page does not infer a safe continuous duty cycle that the evidence does not provide.

TPU resin valve stems

Both cited manual mirrors require the extension hose for a TPU tube with a resin valve stem because direct heat may melt the valve. Check the current pump and tube instructions; neither model is given an exemption here.

Schrader and pressures above 100 PSI

The cited manual mirrors describe a Presta factory configuration and nozzle adjustment for Schrader, with a hose recommended for Schrader. Above 100 PSI, they instruct use of the hose to reduce nozzle leakage; verify the current manufacturer-hosted manual before operation.

Deep rims and tubeless systems

Check that the supplied connection can reach the valve on a deep rim before relying on it. Task 029 does not establish universal deep-rim access or reliable seating of a stubborn tubeless bead.

Rain and storage bags

No pump-body IP rating is established here. A bag described as splash-resistant or waterproof protects storage; it must not be converted into a waterproof claim for the powered device.

Air travel

This page does not promise airline acceptance. Check the battery label, current UK CAA rules and the individual airline's policy before travel, and obtain operator approval where required.

Pressure safety: a 120 PSI pump maximum is not a target for every bicycle setup. Stay within the tyre and rim makers' limits, using the lower applicable maximum, and follow all tube, valve and wheel instructions.

How to make the final choice

  1. Start with the load you will actually carry: compare 120 g and 70 × 49 × 28 mm with 205 g and 81 × 60 × 32 mm in the bag or pocket you use.
  2. Define the tyre job: write down tyre size, starting pressure and target pressure. Do not use an unspecified “tyres per charge” headline.
  3. Keep the energy trade-off honest: 6.66 Wh gives the Max more listed battery energy, not a guaranteed multiple of completed inflations.
  4. Check the valve and heat instructions: obtain the current manufacturer-hosted manual, then use the hose for a resin TPU valve stem, for pressures above 100 PSI, and wherever that manual otherwise recommends it.
  5. Verify unresolved commercial details: obtain a current UK basket total, stock state, return address and warranty provider for the exact model before purchase.
  6. Carry an appropriate backup: for remote or failure-critical rides, do not make one battery-powered device the only inflation route.

Limitations of this comparison

  • No hands-on use: no sample was received, operated, weighed, timed, charged, heated or calibrated by this site.
  • Task-029-only specification set: no value has been imported from a marketplace listing, another brand or a different model.
  • Dated evidence: all cited pages were captured for the ledger on 19 July 2026. Manuals and product pages can change.
  • No UK price conclusion: the ledger did not establish a current delivered UK price for either exact model.
  • No performance extrapolation: battery energy, maximum pressure and working current do not establish speed, accuracy, noise, tyre count or reliability.
  • No body waterproof claim: storage-bag wording is not treated as a pump-body IP rating.
  • No tubeless seating promise: results for ordinary top-ups cannot be extended to every tyre-and-rim bead-seating task.
  • Corrections: report a changed manual or an incorrectly transcribed field to CYCLAMI UK support, identifying the exact CYCPLUS model and source.

Frequently asked questions

What is the difference between CYCPLUS AS2 Pro and AS2 Pro Max?

CYCPLUS's official collection lists the AS2 Pro at 120 g and the AS2 Pro Max at 205 g, with a 120 PSI maximum for both. The cited third-party mirrors of their user manuals list 70 × 49 × 28 mm and 3.11 Wh for the Pro, and 81 × 60 × 32 mm and 6.66 Wh for the Max. Those mirrored details should be checked against the current manufacturer-hosted PDFs before publication, and the larger battery does not by itself prove a tyre count.

Which model is lighter?

The CYCPLUS AS2 Pro is the lighter model on CYCPLUS's official collection values: 120 g versus 205 g for the AS2 Pro Max. That is an 85 g listed difference, calculated from the two values captured on 19 July 2026.

How many road or gravel tyres can each inflate?

This evidence set does not support one comparable fixed tyre count for the two models. Tyre volume, starting pressure, target pressure, temperature and cooling intervals all change the result, so this page does not publish an unsupported number.

Can either pump seat a tubeless tyre?

Task 029 found no model-specific evidence that either pump can reliably seat a stubborn tubeless bead. Topping up an already seated tubeless tyre is a different task from delivering the initial high-volume air burst needed to seat some tyre and rim combinations.

Which model is safer around TPU valve stems?

Neither model should be called inherently safer on the available evidence. The two cited user-manual mirrors instruct users to fit an extension hose when inflating a TPU tube with a resin valve stem because direct heat may damage the valve. Check the current manufacturer-hosted manual and follow the tube maker's instructions as well.

Is cycplus.co.uk affiliated with CYCPLUS?

cycplus.co.uk presents CYCLAMI-branded products and is not the official CYCPLUS website. CYCLAMI is not affiliated with, endorsed by or officially connected with CYCPLUS. This page is independent editorial desk research about two CYCPLUS products.

Source register

Every source below was captured on 19 July 2026. The labels match task 029. Official CYCPLUS pages and third-party user-manual mirrors are identified separately; this site did not authenticate the mirrors against saved manufacturer PDFs or verify any field through physical testing.

  1. [P01] CYCPLUS official manual index. Confirms the exact, separate model names AS2 Pro and AS2 Pro Max. Open source. Accessed 19 July 2026.
  2. [P02] CYCPLUS official AS2-series collection. Supports the two model names, 120 PSI maximum, listed weights, Type-C context and the Max's higher-volume positioning. Open source. Accessed 19 July 2026.
  3. [P03] CYCPLUS AS2 Pro user-manual mirror. Supports the Pro dimensions, weight, battery, input, working-current and shared valve/heat/hose fields recorded in task 029. Open manual mirror. Accessed 19 July 2026.
  4. [P04] CYCPLUS AS2 Pro Max user-manual mirror. Supports the Pro Max dimensions, weight, battery, input, working-current and shared valve/heat/hose fields recorded in task 029. Open manual mirror. Accessed 19 July 2026.