ZTTO
ZTTO M1 MTB Straightpull BOOST 148 Hub Ultralight 28 Hole Bushing 54T Ratchet HG XD MS Core 12 Speed Thru Axle 28h Maza Bicycle
ZTTO M1 MTB Straightpull BOOST 148 Hub Ultralight 28 Hole Bushing 54T Ratchet HG XD MS Core 12 Speed Thru Axle 28h Maza Bicycle
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ZTTO M1 BOOST Straightpull 28 hole 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'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'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'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
54 T / 6.6° engagement
6-Bolt Version: 4 pawls 72 Click smooth system
72 Click / 5° engagement
Ratchet - 2 Years Warranty !
damage within two years can be replaced by order records. This warranty policy is only valid for our official store order .
Front 15x110
Front Hub for 15x110mm
Rear 12x148 & 10x141
Rear Hub for 12x148mm thru axle and 10x141mm QR



Micro spline/ 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.



54T System
The best system to transfer torque at the lowest weight.
54 T / 6.6° engagement

center lock-ratchet system

6-bolt - smooth palws system

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
Different rim manufacturers may have different definitions of the ERD value, so the calculation result on paper may not be the best length. Please trust your mechanic. nomally, this length is acceptable for +1mm/-2mm
M1 with ERD 596
Front brake side:297 other side:299
Rear brake side:299 driver side:297
M1 with ERD 562
Front brake side: 280 other side: 280
Rear brake side: 282 driver side: 282
M1 with ERD 583
Front brake side: 290 other side: 292
Rear brake side: 292 driver side: 290
M1 with ERD 589
Front brake side: 293 other side: 295
Rear brake side: 295 driver side: 293
M1 with ERD 559
Front brake side: 278 other side: 280
Rear brake side: 280 driver side: 278
M1 with ERD 602
Front brake side:300 other side:302
Rear brake side:302 driver side:300





Materials
Materials
Shipping & Returns
Shipping & Returns
Dimensions
Dimensions
Care Instructions
Care Instructions
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