KONA

* [2026 Model] LAVA DOME

¥94,050 JPY

~~¥99,000 JPY~~ ¥94,050 JPY

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Stock status In-store stock Manufacturer取り寄せ（約20日・組立整備後発送）

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Item number: SKU:(-14171225)

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Product Description
Specifications
Geometry (Size)
Returns, Delivery & Shipping

The KONA LAVA DOME is a versatile MTB that's fun for both city riding and trails.

With a lightweight aluminum frame and 29-inch tires, it's the perfect bike for beginners.

KONA LAVA DOME | The Optimal Entry-Level MTB for Commuting and Weekend Rides

Versatile for everything from city riding to trails! A high-cost-performance model perfect for MTB beginners.
The "LAVA DOME" is highly recommended as a first mountain bike. It features an easy-to-handle aluminum frame and the excellent off-road capability of 29-inch wheels. Its versatility is a key point, as it rides smoothly on paved roads and can also handle trail rides on weekends. Equipped with MICROSHIFT ADVENT 9-speed, which provides a wide gear ratio while keeping costs down, it's perfect for beginners to enjoy with confidence.

Features

Lightweight and easy-to-handle aluminum frame
MICROSHIFT ADVENT 9-speed with wide gearing to suit various situations
29-inch wheels balancing smooth cruising on roads and off-road capability
Versatility for city riding and weekend outdoor activities
Simple and timeless Gloss Black color

SPEC

Frame: Aluminum
Components: MICROSHIFT ADVENT 1×9speed
Tire Size: 29 inches
Color: Gloss Black
Sizes (Estimated Height Range): S (160-173cm), M (168-180cm), L (173-185cm)

This bike is comfortable for city use, but it also fully caters to the desire to "try going to the mountains since it's an MTB after all." The LAVA DOME has a sleek look, is light, and easy to get started with, making it perfect as a first bike. While prioritizing cost performance, the gearing is solid, making it ideal for weekend adventures. We want people to experience the fun of MTBs with this bike first.

Specification Table

Tire Size	29x2.25"
Number of Speeds	9 Speed
Pedals	Kona JS2
Specifications	Frame	Kona 6061 Aluminum Butted
	Fork	Suntour XCR 32 or X1 LO-R or RST Omega Coil Spring 100mm
	Crankset	Samox
	Bottom Bracket	Feimin 73mm
	Front Derailleur	-
	Rear Derailleur	Microshift Advent w/ Clutch
	Shifters	Microshift Advent
	Cassette	Microshift Advent 11-46t 9spd
	Brake Levers	Tektro HDM275 Hydraulic
	Brakes	FRONT BRAKE ROTOR：Tektro TR180 180mm REAR BRAKE ROTOR：Tektro TR160 160mm
	Tires	WTB Trail Boss or Maxxis Rekons 29x2.25"
	Wheels	FRONT HUB：Joytech 100x9mm REAR HUB：Joytech 135x10mm SPOKES：Stainless Black 14g RIMS：Alex DP27K
	Handlebar	Kona XC/BC Riser
	Stem	Kona XC
	Headset	Feimen HP-H868B
	Saddle	Kona XC
	Seatpost	Kona Thumb 31.6mm

フレームジオメトリー

フレームサイズ	370	420	470
HA	68	68	68
SA	75	75	75
TT	576	604	636
HT	95	105	115
FC	691	720	754
RC	-	-	-
BB	60	60	60
FO	51	51	51
WB	1135	1164	1197
SH	727	733	738
SK	624	611	620
RH	415	440	465
適応身長	S(160～173)	M(168～180)	L(173～185)

◆Returns and Exchanges

Please inspect your order as soon as possible after it arrives.

Parts, apparel, accessories, and other cycling goods may be returned or exchanged. Return and reshipping costs are covered either by the customer or by our store, depending on the circumstances.
Complete bicycles cannot be returned or exchanged for reasons of customer preference. We will only accept returns in the event of a product defect or damage during delivery.

▶ View our Return and Exchange Policy

◆“In-store Stock” and “Special Order” Items

“In-store Stock” items are currently available at an Eirin store or in our warehouse. Each item will be inspected before being dispatched.
“Special Order” items are ordered from the manufacturer or an authorized Japanese distributor. After the item arrives, we conduct a final inspection before dispatch.

※If “In-store Stock” is unavailable, please select “Special Order.” We will contact you by email once the item has arrived from the supplier.
※If the manufacturer or distributor is also out of stock, the item cannot currently be purchased. Select the “Notify me when available” button to receive a restock notification.

◆From Order to Delivery

From order confirmation to delivery

※① If an item is out of stock, we will contact you by email and ask whether you would like to change or cancel the item.
※② Items cannot be added, changed, or cancelled after the order has been confirmed.
※③ Once your order has been dispatched, we will email you with the shipping confirmation and tracking number.

◆Shipping Carrier

Orders are generally shipped by Seino Transportation.
Another shipping carrier may be used depending on the contents of your order or the delivery area.

◆Pickup at Eirin Stores in Kyoto City

Shipping is free when you collect your order from one of our street-front stores in Kyoto City.
Complete bicycles generally require approximately 1-2 weeks for assembly and inspection before pickup.
Some parts and apparel are stored in our warehouse and may require approximately 1-5 days before they are ready for pickup.

※Due to system limitations, the following payment methods are available for store pickup orders:
Shop Pay, Credit Card, Bank Transfer, and JACCS Financing
Customers wishing to use another payment method should select standard delivery instead of store pickup.

◆Pickup at a Seino Transportation Branch

Seino Transportation branch pickup service

※Shipping for complete bicycles is free when the bicycle is collected from an eligible Seino Transportation branch.

This service is available only for complete bicycles. Parts, cycling goods, apparel, and accessories are not eligible.
For purchases under ¥55,000 including tax and excluding payment fees, the shipping charge is reduced to half of the standard rate.
Different charges apply to Hokkaido, Okinawa, and remote islands. These charges are still lower than residential delivery rates.

▶ Seino Branch Pickup Details

▶ List of Seino Transportation Branches