ZTTO M1 Straightpull 28 hole Boost MTB Hub
Center Lock Version: Ratchet system 54T
6-Bolt Version: 4 pawls 72 Click smooth system
XD/ HG/ MS Available
28 holes , Max for 2.3mm spokes
Weight: Front-Hub 138g ;
Rear-Hub 250g(HG)/231g(XD) /239g(MS)
Material : Strengthen 7075 axle, Forging 6082 alloy shell CNC made
Attention
Center lock is Ratchet 54T system
Stock 54T Star ratchet. if you need to change to 36T , it&x27;s ok, just mark "change to 36T" on your order note and send me a message.
6-Bolt is 72 click pawls system
4 Pawls 2 Group 36 teeth, so it&x27;s 72 click/round.
The smooth 4 pawls system has approximately 0.343N rotation resistance. This means that the running resistance of the hub body has dropped by 76.6%
the price is different, so please buy it correctly. we can&x27;t change pawls to ratchet or ratchet to pawls.
Important Different
6-Bolt and Centerlock, not just brake mount different, they also have different internal structure. Please pay attention when you choose.
Center Lock Version: Ratchet system 54T
Ratchets The best system to transfer torque at the lowest weight.
54 T / 6.6° engagement
6-Bolt Version: 4 pawls 72 Click smooth system
72 Click / 5° engagement
MS/ HG/ XD compatible
You can install any MTB Cassette with this hub.
Fit for cassette:
XD: XG1275/ XG1299/ ZTTO 9-50T ULT / 9-46T ULT etc.
MS: M7100/ M8100/M9100
MTB HG : PG1230/ PG1130/ M7000/ M8000 / ZTTO 11-50T SLR etc.
if you need road bike 11speed HG or CP hub body, please contact us and mark on your order.
Ultralight
about 380g for pair. Alloy rotor bodies Lightweight and anodized. Super smooth surface finish of the contact area for the high precision, low friction rotary seal.
Spoke length for reference
M1 with ERD 596
Front brake side:300 other side:302
Rear brake side:302 driver side:300
M1 with ERD 562
Front brake side: 283 other side: 285
Rear brake side: 285 driver side: 283
M1 with ERD 583
Front brake side: 294 other side: 296
Rear brake side: 296 driver side: 294
M1 with ERD 589
Front brake side: 297 other side: 299
Rear brake side: 299 driver side: 297
M1 with ERD 559
Front brake side: 282 other side: 284
Rear brake side: 284 driver side: 282
M1 with ERD 602
Front brake side:303 other side:305
Rear brake side:305 driver side:303