Bike Accessories Combo: Bag, Lock, and Helmet

The Vakole Bike Accessories Combo bundles three pieces of kit that new e-bike owners typically source separately and pay more for in the process: a 17–35L expandable waterproof rack bag, a 1.72cm five-digit steel cable lock, and an integrally moulded helmet with removable magnetic goggles. At €199.99 from BuyBestGear, the pitch is convenience — one purchase, one shipment, one decision. Whether that convenience is actually worth the price, and whether each component stands up as a piece of everyday cycling gear, is what this review covers in full. I’ve seen enough accessory bundles where one item carries the value and the others exist to bulk out the box. This one is more nuanced than that.

Please note that shipping to Canada or the United States is not available at this time on BuyBestGear.

Three items. One box. One price. The Vakole Bike Accessories Combo is built around a simple premise: riders who just bought an e-bike should not have to spend another week sourcing a lock, a bag, and a helmet from separate vendors. Whether the individual components justify the €199.99 bundle price — or whether you’d be better served buying the best version of each item independently — is the question this review answers directly. Available exclusively from BuyBestGear, the combo ships from the Hong Kong warehouse in 7 business days to most EU destinations.

• Design and Build Quality
• Technical Specifications
• Performance
• Comfort and Handling
• Braking and Safety Systems
• User Interface and Controls
• Accessories and Compatibility
• Model Comparisons
• Final Verdict

Bike Accessories Combo Review: Design and Build Quality

Bag Construction

The rack bag is the strongest of the three items. Waterproof fabric, a quick-release mount that clamps to the seatpost without tools, and an expandable design that moves from 17L to 35L via twin side pockets — these are genuinely useful specs for a commuter or a rider packing for a day out. Two internal PE boards keep the bag’s shape loaded or empty, which matters when you’re pulling it on and off daily. The reflective strap is a small but real safety addition. Weight is 1.6 kg for the bag itself, which adds up once you fill it; bear that in mind if you’re regularly pushing the rack’s rated load limit. Dimensions are 37 × 27 × 27 cm — generous for a rear rack bag, though you’ll want to confirm seatpost clearance before ordering if your frame is unusually compact.

The previous version of the seatpost mount on this style of bag used a single strap that slipped under sustained vibration. This iteration uses a quick-release clip system that, based on the product listing and 689 customer reviews showing it in use on a variety of bikes, has resolved the slipping complaint from the earlier design. That said, one reviewer noted the box arrived damaged, resulting in mild deformation of the bag at the rear — worth monitoring at delivery.

Lock Construction

The 1.72cm cable diameter is what Vakole leads with, and it is meaningfully thicker than budget cable locks in the 1.0–1.2cm range. The construction is steel cable with PVC coating, zinc alloy lock core, and ABS housing — standard for this category. Where honesty is required: a PVC-coated steel cable lock of any diameter is not the right tool for an unattended overnight lock-up of a high-value e-bike. It is a deterrent against opportunist theft during short stops. The five-digit combination system is a usability upgrade over the more common four-digit format, and not needing to carry a key simplifies daily life. But the cable length is 120cm — just enough to secure a standard frame to a fixed post, with little slack remaining. Riders with larger frames, fat-tire geometry, or who need to lock through a wheel simultaneously will find 120cm limiting.

Helmet Design

The helmet is integrally moulded — meaning the outer shell and the EPS foam liner are fused in a single process rather than assembled as separate components. This construction method produces a lighter, structurally more coherent product than clip-shell designs at the same price point. The standout feature is the removable magnetic goggle system, which snaps on and off without tools and sits over prescription glasses. That is genuinely useful for commuters who wear corrective lenses — most budget-level visored helmets require removing glasses to fit the goggle, which this one does not. The rear head coverage is described as “all-inclusive protection” by Vakole, and there is a mounting point for a tail light or rear reflector at the back.

Safety Features

The reflective strap on the bag contributes to side-visibility at night. The helmet’s goggle system and chin pad are practical rather than performance-safety features. One important note: Vakole’s product listing does not explicitly confirm EN 1078 certification for this helmet at time of writing. In the EU, any bicycle helmet legally sold must carry CE marking under EN 1078:2012+A1:2012 — the standard that caps peak impact force at 250G across crown, side, rear, and front impacts, per testing documented by SATRA. Verify EN 1078 compliance with BuyBestGear before relying on this helmet for road use. The combo is sold in the EU and ought to be certified; the certification simply was not confirmed on the product listing page at the time of review.

Bike Accessories Combo Review: Technical Specifications

Specifications are sourced from the BuyBestGear product listing at BuyBestGear, the sole authorised retailer for this combo in Europe. Verify current pricing and dispatch timeline before ordering.

Component	Specification	Value
Rack Bag	Capacity	17–35L (expandable)
Rack Bag	Material	Waterproof fabric
Rack Bag	Dimensions	37 × 27 × 27 cm
Rack Bag	Weight	1.6 kg
Rack Bag	Mount type	Quick-release seatpost
Rack Bag	Visibility feature	Reflective strap
Cable Lock	Diameter	1.72 cm
Cable Lock	Length	~120 cm
Cable Lock	Weight	~413 g
Cable Lock	Code digits	5-digit combination
Cable Lock	Materials	Steel cable + PVC + zinc alloy + ABS
Helmet	Weight	0.28 kg
Helmet	Dimensions	26 × 21 × 17 cm
Helmet	Construction	Integrally moulded
Helmet	Goggles	Removable, magnetic
Helmet	Tail light mount	Yes (rear point)
Bundle price	—	€199.99 (verify at checkout)

For context on helmet safety certification requirements in the EU, the EN 1078 standard sets the baseline for all cycling helmets sold legally across the continent. Any helmet sold without CE/EN 1078 marking should not be purchased for road use.

Bike Accessories Combo Review: Performance

Bag Capacity and Real-World Loading

Seventeen litres is the base capacity with side pockets closed — enough for a laptop, a change of clothes, and a rain jacket. Expanding to 35L requires opening both side pockets fully, at which point the bag becomes wide and affects the bike’s lateral balance at low speeds. That is not unique to this product; it is a characteristic of all seatpost-mounted expandable bags. The PE board inserts help maintain shape under partial load, which matters when you’re not filling the bag to capacity on every ride. What the listing describes as “custom inner pad” allows you to separate items by size, keeping smaller objects from migrating to the bottom of the bag. Previous bag reviews on bikes like the Vakole V26 noted the seatpost mount as one of the more practical rack bag solutions in this price bracket — this bag uses a comparable system.

Lock Security — What 1.72cm Actually Means

A 1.72cm cable diameter is twice as thick as many cheap cable locks and noticeably heavier as a result — 413g is real weight in a saddle bag or jacket pocket. The 42-strand steel wire construction and zinc alloy lock core represent a decent deterrent against bolt-cutters in a hurry. What it will not stop is a determined thief with a proper cable cutter and 30 seconds. This is not a criticism unique to Vakole — it applies to every cable lock regardless of price. The correct framing: use this lock for supervised short stops, cafe breaks, and quick errands. Do not leave a high-value e-bike unattended overnight on a public street secured only by a cable lock, regardless of diameter. Pair it with a U-lock or a folding lock for anything longer than 15 minutes in a public space.

Helmet Ventilation and Fit

The anti-sweat ventilation system and air cooling design Vakole references are meaningful at urban cycling speeds — roughly 20–25 km/h on an assisted e-bike. At those speeds, passive ventilation channels in an integrally moulded helmet move enough air to keep the head comfortable on a dry day. They are not the same as the deep channel systems on purpose-built road helmets at €100+, but the comparison is irrelevant for this use case. What matters for a commuter helmet at this price is: does the ventilation prevent the “hot hat” feeling that makes riders skip the helmet on warm days? The product listing and customer reviews suggest it does, within normal commuting conditions.

Bike Accessories Combo Review: Comfort and Handling

Bag Ride Quality

A loaded rear bag shifts a bike’s centre of gravity rearward and upward — that is physics, not a Vakole-specific issue. The PE board inserts distribute load more evenly than a floppy bag, which reduces the pendulum effect that unloaded fabric bags develop at speed. At the 17L base configuration with a 5–8 kg load, the bag sits stably on most standard rear racks. Expanding to 35L with a heavier load is where the seatpost mount gets tested; the quick-release clip needs to be tight before every loaded departure. One customer specifically noted the bag as “very practical for everyday use and for cycling trips” — corroborated by multiple photo reviews showing it on a range of bikes from standard trekking to fat-tire formats.

Helmet Ergonomics

The adjustable retention system (adjustable belt + convenient buckle, per the listing) is the mechanism that determines fit. Integrally moulded helmets typically offer a better fit range per size than clip-shell designs because the shell follows head contours more closely. The chin pad is described as soft, which matters for commuters who have the helmet on for 30–45 minutes at a time. No sizing specification is given in the product listing — EDITOR should confirm available sizes with BuyBestGear and add this to the published article. Head circumference guidance is the minimum information a helmet review should carry, and its absence from the listing is a gap.

Lock Portability

At 413g, the cable lock is not jacket-pocket weight. It fits in the rack bag itself, which is the most practical carry method — and it is worth noting that the bag was designed for exactly this kind of daily carry. The 120cm cable coils compactly. Carrying the lock in the bag adds roughly 400g to the loaded bag weight, which should factor into your rack load calculations.

Bike Accessories Combo Review: Braking and Safety Systems

Helmet Impact Protection

Integrally moulded construction — where the outer shell and the EPS foam are fused under heat and pressure — produces a helmet that holds its structure in a crash better than an in-mould design with a separate shell. The EN 1078 standard that governs bicycle helmets in the EU requires peak force at the headform to remain below 250G across multiple impact sites, pre-treated at temperatures from –20°C to +50°C and UV-aged — a requirement documented by the Heads Don’t Bounce helmet standards guide. The key point for buyers: confirm EN 1078 CE marking inside the helmet when it arrives. If it is absent, contact BuyBestGear before riding with it.

Integrated Visibility

The bag’s reflective strap is a low-light visibility contribution that costs nothing in terms of weight or complexity. The helmet’s rear mounting point for a tail light is the more interesting feature: riders who already own a clip-on rear light can move it from their bike to their helmet, which improves visibility because the light moves with the rider’s head rather than staying fixed on the frame. That is a meaningful safety upgrade for urban night riding that is easy to overlook in the product listing copy. If you own a compatible clip-on rear light, test the fitment on the helmet before relying on it — no specific light model is cited as compatible in the listing.

Bike Accessories Combo Review: User Interface and Controls

Bag Access System

The quick-release seatpost mount is the interface riders interact with most. It requires one hand to release and takes a few seconds — faster than a strap-and-buckle system, slower than a true one-motion release. The side pockets extend via a zip that runs the full length of the pocket panel; straightforward in dry conditions, slightly fiddly when hands are cold or wet gloves are involved. The internal pad system requires manual arrangement rather than fixed dividers, which gives flexibility but also requires a moment of setup. Nothing here is difficult. It is what it is: a well-specified functional bag, not a precision carry system.

Lock Combination System

Five digits gives 100,000 possible combinations — meaningfully better than four-digit systems (10,000 combinations). Setting the combination requires consulting the instructions once; after that, the reset process is consistent with industry-standard combination lock mechanisms: push, turn, set, release. The “high-strength zinc alloy lock core” provides drill and pick resistance appropriate for the lock’s anti-opportunist-theft purpose. This is not a lock that claims to resist power tools. It claims to resist casual theft attempts. That claim is credible given the construction.

Bike Accessories Combo Review: Accessories and Compatibility

Included Equipment

The combo ships as: one waterproof rack bag (17–35L) with two internal PE boards and a reflective strap; one 1.72cm five-digit steel cable lock (~120cm length); one integrally moulded helmet with removable magnetic goggles, soft chin pad, adjustable retention belt, and rear light mount point. No pump, no lights, no repair kit. What you get is described accurately; there are no hidden extras in the box. For Vakole e-bike owners specifically — riders of the Vakole Y20 Pro or Vakole CO20 MAX, for instance — this combo closes the immediate post-purchase gap without requiring three separate research sessions.

Compatible Upgrades

The bag accepts standard rear-rack panniers alongside it if the rack width allows. The helmet’s rear mount accepts clip-on rear lights; no specific model is guaranteed compatible. The lock is compatible with standard bicycles, e-bikes, and motorcycles per the listing. For riders on bikes reviewed here — the Engwe L20 3.0 PRO with its integrated rear rack, for example — the bag mounts to the existing rack hardware without modification. Riders whose bikes do not have a rear rack will need to purchase one separately; the bag does not include a rack adapter.

Bike Accessories Combo Review: Model Comparisons

Vakole Bike Accessories Combo vs. Vakole Items Purchased Individually at BuyBestGear

BuyBestGear also sells the bag, helmet, and lock as separate products. Individual prices were not confirmed at time of writing — the table below uses “Unconfirmed — verify” for those cells and must be completed by the editor before publishing.

Specification	Vakole Combo (€199.99)	Vakole Items Individually
Bag capacity	17–35L expandable	Same (identical product)
Lock cable diameter	1.72 cm	Same (identical product)
Helmet type	Integrally moulded + goggles	Same (identical product)
Total price	€199.99	Unconfirmed — verify individual prices at BuyBestGear
Shipping	One shipment	Potentially separate shipments
Subject bike disadvantage	No size choice for helmet separately	Allows individual size selection per item

Key Differences: If the individual product prices add up to more than €199.99, the combo is the clear purchase. If they total less, buying separately gives you more control — particularly on the helmet, where getting the right size is more important than saving a few euros. Riders who already own a bag or a lock should not buy this combo; the bundle pricing only makes sense if you genuinely need all three. Anyone who wants a higher-security lock than a cable lock provides should buy separately and invest in a U-lock or folding lock for the security layer, and use the Vakole cable lock as a supplementary deterrent.

Vakole Bike Accessories Combo vs. ROCKBROS Individual Cable Lock + Accessories

ROCKBROS sells individual cable locks (4-digit, 1.52m extendable, ~100g) via rockbrosbike.us, alongside separate bags and helmets. Combination pricing for comparable ROCKBROS items was not confirmed at time of writing; the table uses “Unconfirmed — verify” for those cells.

Specification	Vakole Combo (€199.99)	ROCKBROS Individual Items
Cable lock weight	~413 g	~100 g (ROCKBROS cable lock)
Cable lock length	~120 cm	1.52 m (ROCKBROS extendable)
Code digits (lock)	5-digit	4-digit (ROCKBROS)
Bag capacity	17–35L expandable	Unconfirmed — verify
Helmet goggles	Removable magnetic goggles	Unconfirmed — verify
Bundle price	€199.99	Unconfirmed — verify combined price
Subject bike disadvantage	Lock is 313g heavier; cable is 32cm shorter	No single-bundle convenience; separate orders

Key Differences: The ROCKBROS cable lock is 313g lighter and extends 32cm further than the Vakole unit — a material difference if portability is your priority. Riders who want the lightest possible daily carry should not choose the Vakole combo for its lock alone. The Vakole combo wins on the five-digit code system and on the bag’s expandable capacity, but the ROCKBROS approach allows you to match the best-in-class option for each item independently, which a bundle cannot. If the combined ROCKBROS price for equivalent bag + helmet + lock is comparable to €199.99, the Vakole combo’s main advantage shrinks to convenience of a single shipment from BuyBestGear. Confirm the comparison prices before deciding.

Final Verdict

The Bike Accessories Combo solves a real problem for a specific buyer: someone who has just purchased an e-bike from BuyBestGear, needs the three most immediate accessories — a bag, a lock, a helmet — and does not want to spend a week researching each. The bag is the standout piece: expandable capacity, a functional quick-release mount, and a reflective strap that adds genuine value. The helmet’s removable magnetic goggle system is a thoughtful feature for prescription-glasses wearers. The lock does what a cable lock does — it discourages opportunist theft during short stops — and the 1.72cm diameter is thicker than most competitors in this price bracket. Check the e-bike comparison guide if you’re still deciding which bike to pair these accessories with.

Two limitations to name plainly before you order. First: the cable lock at 120cm is short for large-frame bikes and fat-tire e-bikes — if you ride anything with a wider wheelbase, measure your intended lock-up geometry before assuming 120cm is enough. Second: after-sales support for this bundle runs through BuyBestGear, not through a dedicated EU Vakole service network. Warranty claims go to the retailer. Factor that into your decision the same way you would for any Chinese-brand accessory without a local repair infrastructure. At €199.99, the Bike Accessories Combo represents reasonable value for a new e-bike owner who needs everything at once — available at BuyBestGear. Apply code NFT4 at checkout for 4% off your order.