- No. 43, Yushan Road, Huqiu District, Suzhou City, Jiangsu Province, China
- +8613671928471
- dafuli01@ebikeserviceparts.com
TSDZ2 & TSDZ2B Chainring Spider Adapter in 104BCD (4-arm) /130BCD (5-arm). Outside mount design, supports single or dual chainring setup for Tongsheng mid-drive ebike motors. Confirm motor version before purchase.
This chainring spider adapter is custom engineered for Tongsheng TSDZ2 and TSDZ2B mid drive ebike motors. It acts as a chain wheel mounting base to install aftermarket 104BCD /130BCD chainrings, supporting both single and dual chainring configurations for custom e-bike builds.
✅ Tongsheng TSDZ2 Mid Drive Motor
✅ Tongsheng TSDZ2B Mid Drive Motor
✅ Works with standard 104BCD &130BCD bicycle chainrings (Chainrings NOT included)
| Parameter | Details |
|---|---|
| Product Name | TSDZ2 / TSDZ2B Chainring Spider Adapter |
| Options | TSDZ2: 104BCD (4 Claws/4 Arm),130BCD (5 Claws/5 Arm)TSDZ2B:104BCD (4 Claws/4 Arm),130BCD (5 Claws/5 Arm) |
| BCD Size | 104mm (4.09 inch), 130mm (5.12 inch) |
| Mounting Method | Outside installation (NOT inside mount) |
| Supported Setup | Single chainring / Dual chainring |
| Material | High strength machined metal |
| Package Includes | 1 × Chainring Spider Adapter (Bolts included for selected versions) |
✅ Custom for Tongsheng TSDZ2 & TSDZ2B mid motors, precise fitment.
✅ Two BCD sizes available: 4-arm 104BCD and 5-arm130BCD for flexible gearing customization.
✅ Supports dual chainring installation. You may mount chainrings on both sides of this spider.
✅ Solid metal construction, high rigidity for heavy load e-bike riding.
✅ Outside mounting design, easy assembly for ebike DIY rebuild and upgrade.
We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.
It used to take me weeks to hunt down hard‑to‑find e‑bike spare parts. Their compatibility‑check technical support saved me countless repair headaches. Reliable supplier I can always count on.
For more FAQs and further details, please get in touch with us
We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.
We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.
All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.
Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.
Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.
Sea freight, air freight and rail transport are optional.
Lead time varies by item and shipping mode. We confirm exact timelines before each order and share tracking updates.
We provide part identification, model matching and full order follow-up support.
