Name: Volume 1500 + Curve Rear Set
Brand: BOOKMAN
Price: 175.0 EUR
Availability: InStock

Question 1

How bright is the Volume 1500?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"The Volume 1500 puts out 1500 real lumens at its highest setting — bright enough for unlit gravel roads and fast night-time riding. The dial steps you down to lower outputs for commuting and pacing on lit roads."}]}]}

Question 2

How long does the battery last?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Runtime depends on the brightness setting: up to 34 hours on the lowest steady mode and up to 105 hours in daytime flash mode. Carry a spare battery for ultra-distance rides — they slot in tool-free."}]}]}

Question 3

Is it waterproof?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"The Volume 1500 is rated IPX5 — protected against rain, road spray, and quick wash-down. Don't submerge it."}]}]}

Question 4

Is it good for bikepacking?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Yes — that's exactly the use case the Volume 1500 was designed for. The 4000 mAh battery is user-replaceable, you can carry spares for multi-day rides, and the light charges from a USB-C power bank while riding. The dial control is built around long-format rides where you want to adjust brightness without taking your eyes off the road."}]}]}

Question 5

The mount feels loose — what do I do?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Use the supplied allen key to tighten the mount on the underside of the light. Aim for 5 Nm — that's hand-tight plus another half-turn with steady pressure. If the disc still spins or won't tighten, email customerservice@bookmanvisibility.com — we'll send a replacement mount."}]}]}

Question 6

How does the dial work?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Bookman's patented Power Wheel is a tactile dial on the side of the light. Turn it to step through brightness — intuitive and no need to cycle through button presses and unwanted modes. It works with gloves, in the cold, and you can adjust on the move without taking your eyes off the road. It lets you always ride with optimal power, which enhances runtime."}]}]}

Question 7

Can I charge while riding?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Yes. For ultra-distance rides you can plug in a USB-C power bank and continue riding while charging. Works with most USB-C power banks."}]}]}

Question 8

Can I swap the battery?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Yes. The Volume battery is user-replaceable — open the rear hatch, slide the battery out, slide a fresh one in. Spare batteries are available so you can carry a second one for bikepacking and long gravel rides."}]}]}

Question 9

Why won't my light turn on?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"If your Volume won't turn on, the most likely cause is Lock Mode. Turn the dial to any setting other than the highest-power position, then press and hold the power button. Lock Mode prevents the light switching on by accident in your bag, and pressing the buttonin lock mode just makes the indicator blink. Also check that the battery is correctly inserted and fully charged."}]}]}

Question 10

What handlebar diameters does the Volume fit?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"The Volume comes with two straps that cover 22–32 mm. Many riders also use their own Garmin-style handlebar mount or combined computer and GoPro mount instead of the included mount to get an exact fit on their bars. Check what mounts fits with your handlebar. In doubt contact customerservice@bookmanvisibility.com — we can usually help."}]}]}

Question 11

Does it fit a Garmin out-front mount?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Yes. The Volume's underside has the Garmin quarter-turn pattern, so it slots directly into a Garmin out-front mount or aero mount. The included GoPro adapter also lets you use the under-Garmin \"double mount\" or \"action camera mount\" for computer + light."}]}]}

Question 12

Can I replace the Curve strap?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Yes. Replacement straps for both Curve Front and Curve Rear are available — email customerservice@bookmanvisibility.com with your order number and we'll send you a fresh strap."}]}]}

Question 13

How do I charge the Curve?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Use the included USB-C cable to charge the light from any USB-C charger, laptop, or power bank. The LED indicator turns from red to green when full."}]}]}

Question 14

Where can I mount the Curve Rear?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"The Curve Rear mounts on your seatpost using one of the included silicone straps."}]}]}

Question 15

Is the Curve waterproof?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"The Curve is rated IPX4 — splash- and rain-resistant for normal cycling conditions. Don't submerge it; if you ride in heavy rain regularly, dry the USB-C port before charging."}]}]}

Question 16

Will my light blind oncoming traffic?

Accepted Answer

{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Bookman front lights use a carefully designed beam pattern that concentrates light on the road ahead while limiting glare upward. Aim the light at the road, not the horizon — the top of the beam should hit the ground roughly 5–10 meters in front of your wheel depending on your speed. On the Volume 1500/800 you can also drop instantly to a lower power with the dial."}]}]}

Shipping service	Shipping time (excluding fulfillment time)	Shipping cost	Free shipping above
Eurozone
UPS	2-4 working days	€9	€50
USA*
UPS	3-6 working days	$19	$100
Rest of the World
UPS	3-6 working days	$19	$100
UK
UPS	3-6 working days	£19	£80
Sweden
DHL	About 1-2 working days	50 SEK	500 SEK

Battery (included)	Custom 21700 Li-Ion
Battery capacity	4000 mAh
Size	119×40×42 mm (incl. dial and mount)
Weight	205 g
Patent	SE546478

Mode	Runtime (hours)
100%	3
50%	5
25%	10
10%	19
5%	34

Mode	Lumens	Runtime (hours)
Steady High	40	3
Steady Low	10	5.5
Pulse+Flashing	25	5
Flashing High	50	4
Flashing Eco	10	20

Volume 1500 + Curve Rear Set

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