Description
Light and supple rim that goes wherever you want to go.
The KOM Light i21 lightweight aluminum rim from WTB / Double-TB is suitable for a wide range of applications, from road to gravel to adventure riding.
This model offers a good balance of lightness, comfort, and everyday durability.
The KOM Light i21 is made of 6069 aluminum, which is lightweight yet strong enough to withstand the rigors of everyday riding. The open-cavity construction provides a supple ride with less fatigue even on long rides.
The 21mm internal width design is compatible with tires of around 30mm, making it ideal for light riding on road and gravel bikes. It provides both stability and good rolling performance while maintaining the natural shape of the tire.
WTB's unique TCS (Tubeless Compatible System) + Solid Strip construction allows for smooth and reliable tubeless setup. 4D spoke hole design distributes tension evenly and improves overall wheel durability. The 4D spoke hole design distributes tension evenly and improves the overall durability of the wheel.
From everyday road riding to long gravel rides and light trail riding.
The lightness and suppleness of this rim make it an easy-to-use all-round rim.
[SPEC]
Material: 6069 aluminum
Inner width: 21mm
Outer width: approx. 25mm
Rim height: approx. 17.5-18mm
Number of holes: 32H
Tubeless: Compatible (TCS 2.0 / Solid Strip)
Tire: ~30mm recommended
Use: Road / Gravel / Cyclocross / Adventure
Weight: approx. 430-450g
- Orders are shipped within 1–2 business days after payment is confirmed. Orders placed by 10:00 AM are generally shipped the same day.
- Messenger delivery is available within Nagoya City only (excluding complete bikes and framesets).
- We ship every day from Monday through Sunday, except on temporary closure days.
- Shipping destinations: throughout Japan and worldwide.
- Shipment may be delayed depending on credit card processing. If you would like to request a delivery date or time, please add a note in your cart.
- All orders are shipped from Circles.
- For damage or loss during transit, please contact the carrier.
Complete Bike Shipping within Japan
- A shipping fee of ¥9,900 (tax included) applies to complete bikes. Additional charges may apply for Okinawa and remote islands.
- After purchase, we perform a final inspection before shipping. Please allow 1–2 weeks in some cases.
- For packing, some parts may be removed. We strongly recommend having the bike reassembled and checked by your local bicycle shop before riding.
- We will contact you by email with delivery details.
- Products are also sold in-store, so availability may change before the order is finalized.
Frameset Shipping within Japan
- Flat-rate shipping within Japan: ¥5,500 (tax included). Additional charges may apply for Okinawa and remote islands.
- Shipping rates for OMNIUM framesets and complete bikes differ.
- We will contact you by email with delivery details.
- Facing and tapping preparation for framesets purchased from Circles is available at no additional charge. Details will be provided after purchase.
- Headset and bottom bracket installation are also available for an additional labor fee. Please contact us if required.
Custom & Stock Wheel Shipping within Japan
- A shipping fee of ¥2,000 (tax included) applies. Additional charges may apply for Okinawa and remote islands.
- Stock wheels undergo a final inspection by a mechanic before shipping. Please allow approximately 3 business days for dispatch.
For international orders, shipping costs vary by destination. Please check the amount shown at checkout.